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Link Posted: 6/28/2014 9:51:36 AM EDT
[#1]
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Quoted:

I was under the impression that steel, being harder than brass, is much more likely to crack, even after a single firing.  I don't think I could bring myself to trust steel reloads.
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Boxer primed steel cases would be easily reloadable. Though they probably wouldn't last nearly as long as brass... Or maybe they would, considering primer pocket life as a limiting factor.

I was under the impression that steel, being harder than brass, is much more likely to crack, even after a single firing.  I don't think I could bring myself to trust steel reloads.


sshhhh, GD ain't got time for numbers and fizaks.  Building bird houses in shop class is considered the top choice for higher free electives in high school.


Link Posted: 6/28/2014 9:52:44 AM EDT
[#2]

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Aluminum cases are the way to go.



They are:

1: Lighter than both steel and brass.

2: More brass-like in case behavior under pressure than steel, and thus a better replacement for brass than steel.

3: Cheaper finished product than brass or steel.

4: Not prone to rust like steel.

5: Easier to work than steel.
View Quote




Lighter from a logistical standpoint, but not from a tactical standpoint. Who in the world is even gonna notice a difference in ounces on their gear?





Logistical though, I can see the military saving money not just from the cost of materials, but from the costs of having to transport that stuff. Then again, Polymer cased ammo might be the better solution if the R&D companies can get the mixture of the plastic right.



 

Link Posted: 6/28/2014 9:55:26 AM EDT
[#3]
Heat.

Brass helps shed heat.
Link Posted: 6/28/2014 9:56:44 AM EDT
[#4]
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Quoted:


Lighter from a logistical standpoint, but not from a tactical standpoint. Who in the world is even gonna notice a difference in ounces on their gear?



Logistical though, I can see the military saving money not just from the cost of materials, but from the costs of having to transport that stuff. Then again, Polymer cased ammo might be the better solution if the R&D companies can get the mixture of the plastic right.
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Quoted:
Quoted:
Aluminum cases are the way to go.

They are:
1: Lighter than both steel and brass.
2: More brass-like in case behavior under pressure than steel, and thus a better replacement for brass than steel.
3: Cheaper finished product than brass or steel.
4: Not prone to rust like steel.
5: Easier to work than steel.


Lighter from a logistical standpoint, but not from a tactical standpoint. Who in the world is even gonna notice a difference in ounces on their gear?



Logistical though, I can see the military saving money not just from the cost of materials, but from the costs of having to transport that stuff. Then again, Polymer cased ammo might be the better solution if the R&D companies can get the mixture of the plastic right.


Polymer cases are inherently ill suited to bottlenecked cartridges. Also, the weight difference versus aluminum is insignificant.

Why develop polymer which still doesn't work and offers no weight advantage when Frankford Arsenal had working aluminum 5.56 cases in the 1960s?
Link Posted: 6/28/2014 10:01:13 AM EDT
[#5]
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Quoted:

Older 05 is brass, newer ones are spun steel
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We still use steel in some of the larger calibers.



When I was in from 93-97 25mm was steel cased.

40mm is steel, 105 is brass

Older 05 is brass, newer ones are spun steel



yep, but oddly enough the new IR Ilum is brass.

Also unrelated...we fired a bunch of this the other day.  Loaded in the early 70s.  The brass canisters(in the background) were all fucked up looking.

Kind of funny since I thought that 548 was obsolete/replaced by 913 & 927 and we are shooting stuff that still has the X on them.
Link Posted: 6/28/2014 10:03:50 AM EDT
[#6]
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Quoted:


sshhhh, GD ain't got time for numbers and fizaks.  Building bird houses in shop class is considered the top choice for higher free electives in high school.


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Quoted:
Quoted:
Quoted:

Boxer primed steel cases would be easily reloadable. Though they probably wouldn't last nearly as long as brass... Or maybe they would, considering primer pocket life as a limiting factor.

I was under the impression that steel, being harder than brass, is much more likely to crack, even after a single firing.  I don't think I could bring myself to trust steel reloads.


sshhhh, GD ain't got time for numbers and fizaks.  Building bird houses in shop class is considered the top choice for higher free electives in high school.




Snark less, read more: http://www.ar15.com/forums/t_6_42/362084_Reloading_Wolf_Tula_steel_cases__________________A_work_in_progress.html

There are other examples of folks reloading steel cases. It is possible, just less than ideal.

90% of the bitch-factor relates to Berdan priming. Boxer primed steel would remove that.
Link Posted: 6/28/2014 10:07:54 AM EDT
[#7]
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They're still there.  "Brass pickers" as the range ops/support contractors called 'em:  "Don't fuck with the brass pickers, they kill you for a shell casing or a sabot petal."

I never saw the HMMWVs but they do hide in the impact area waiting for lulls in the firing so they can run out and grab whatever they can.
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On Fort Hood in the 80's we were on a life fire range shootin 20MM Vulcans. After a couple tracks had maneuvered downrange firing from several points, they turned around and came back to the starting point. A Humvee came up out of the impact area, in full view of all of us, and a couple guys jumped out and shoveled the brass into the back. After collecting several thousand rounds of spent 20MM they went back into the impact area. No one would follow them into there. We were shut down and could not fire on them, we asked to though. Later we were told that there were several HUMVEE S  that were missing and presumed stolen. The belief was that the scavenger families that lived on the edges of post had the Hummvee s stashed in the Permanant no entry impact areas and that is who we watched take all that brass.

Without the US Army, those folks would have starved.


They're still there.  "Brass pickers" as the range ops/support contractors called 'em:  "Don't fuck with the brass pickers, they kill you for a shell casing or a sabot petal."

I never saw the HMMWVs but they do hide in the impact area waiting for lulls in the firing so they can run out and grab whatever they can.


WTF is this?

They just let them go and accept it?
Link Posted: 6/28/2014 10:10:47 AM EDT
[#8]
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You do know we recycle our brass don't you?
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We pick our brass up in a war zone? As in after a firefight?
Link Posted: 6/28/2014 10:11:14 AM EDT
[#9]
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Quoted:


Lighter from a logistical standpoint, but not from a tactical standpoint. Who in the world is even gonna notice a difference in ounces on their gear?



Logistical though, I can see the military saving money not just from the cost of materials, but from the costs of having to transport that stuff. Then again, Polymer cased ammo might be the better solution if the R&D companies can get the mixture of the plastic right.

View Quote View All Quotes
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Quoted:
Quoted:
Aluminum cases are the way to go.

They are:
1: Lighter than both steel and brass.
2: More brass-like in case behavior under pressure than steel, and thus a better replacement for brass than steel.
3: Cheaper finished product than brass or steel.
4: Not prone to rust like steel.
5: Easier to work than steel.


Lighter from a logistical standpoint, but not from a tactical standpoint. Who in the world is even gonna notice a difference in ounces on their gear?



Logistical though, I can see the military saving money not just from the cost of materials, but from the costs of having to transport that stuff. Then again, Polymer cased ammo might be the better solution if the R&D companies can get the mixture of the plastic right.



Assuming a combat load of 300 rounds (heavy for most, light for some, just roll with me here), aluminum cases would save almost 2lbs of weight.

Not huge, but not tiny. You could carry two more mags for the same weight.

And yes, for the engineers, this factors in thicker case walls for aluminum cases. Not just density conversion.
Link Posted: 6/28/2014 10:18:41 AM EDT
[#10]
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Quoted:


WTF is this?

They just let them go and accept it?
View Quote View All Quotes
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Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
Quoted:
On Fort Hood in the 80's we were on a life fire range shootin 20MM Vulcans. After a couple tracks had maneuvered downrange firing from several points, they turned around and came back to the starting point. A Humvee came up out of the impact area, in full view of all of us, and a couple guys jumped out and shoveled the brass into the back. After collecting several thousand rounds of spent 20MM they went back into the impact area. No one would follow them into there. We were shut down and could not fire on them, we asked to though. Later we were told that there were several HUMVEE S  that were missing and presumed stolen. The belief was that the scavenger families that lived on the edges of post had the Hummvee s stashed in the Permanant no entry impact areas and that is who we watched take all that brass.

Without the US Army, those folks would have starved.


They're still there.  "Brass pickers" as the range ops/support contractors called 'em:  "Don't fuck with the brass pickers, they kill you for a shell casing or a sabot petal."

I never saw the HMMWVs but they do hide in the impact area waiting for lulls in the firing so they can run out and grab whatever they can.


WTF is this?

They just let them go and accept it?


Why do you hate neckbeards?
Link Posted: 6/28/2014 10:26:21 AM EDT
[#11]
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Quoted:


Assuming a combat load of 300 rounds (heavy for most, light for some, just roll with me here), aluminum cases would save almost 2lbs of weight.

Not huge, but not tiny. You could carry two more mags for the same weight.

And yes, for the engineers, this factors in thicker case walls for aluminum cases. Not just density conversion.
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Quoted:
Quoted:
Quoted:
Aluminum cases are the way to go.

They are:
1: Lighter than both steel and brass.
2: More brass-like in case behavior under pressure than steel, and thus a better replacement for brass than steel.
3: Cheaper finished product than brass or steel.
4: Not prone to rust like steel.
5: Easier to work than steel.


Lighter from a logistical standpoint, but not from a tactical standpoint. Who in the world is even gonna notice a difference in ounces on their gear?



Logistical though, I can see the military saving money not just from the cost of materials, but from the costs of having to transport that stuff. Then again, Polymer cased ammo might be the better solution if the R&D companies can get the mixture of the plastic right.



Assuming a combat load of 300 rounds (heavy for most, light for some, just roll with me here), aluminum cases would save almost 2lbs of weight.

Not huge, but not tiny. You could carry two more mags for the same weight.

And yes, for the engineers, this factors in thicker case walls for aluminum cases. Not just density conversion.



Alumunium has odd long term storage behavior.  I have 15 yr old blazer 9mm.  There is a white powder creeping  up the brass bullets, from the Al casings.  They fire fine, but I'm guessing it's Aluminum oxide.  Wonder what that's doing to barrel erosion...  I wonder if brass has better long term storage?  Then again, maybe it's just rubbings of the white plastic tray they are in - not sure

I imagine with steel the concern is reliability in hot chambers & extraction.  Steel tends to get "sticky", and expands when hot.  Get a failure to extract with a steel case and you better find a cleaning rod.  With brass, it has a little spring back after the firing pressure expansion, so a lot easier to extract.
Link Posted: 6/28/2014 10:27:07 AM EDT
[#12]
.mil really needs caseless ammo

Link Posted: 6/28/2014 10:29:39 AM EDT
[#13]
The story a year or 2 ago is that Obama no longer allowed US companies to reuse the brass for civilian market.  All gets sold to China.

Anyone else recall that?
Link Posted: 6/28/2014 10:34:25 AM EDT
[#14]
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Quoted:
On Fort Hood in the 80's we were on a life fire range shootin 20MM Vulcans. After a couple tracks had maneuvered downrange firing from several points, they turned around and came back to the starting point. A Humvee came up out of the impact area, in full view of all of us, and a couple guys jumped out and shoveled the brass into the back. After collecting several thousand rounds of spent 20MM they went back into the impact area. No one would follow them into there. We were shut down and could not fire on them, we asked to though. Later we were told that there were several HUMVEE S  that were missing and presumed stolen. The belief was that the scavenger families that lived on the edges of post had the Hummvee s stashed in the Permanant no entry impact areas and that is who we watched take all that brass.

Without the US Army, those folks would have starved.
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HO-LEE  SHIT!!  
Link Posted: 6/28/2014 10:36:45 AM EDT
[#15]
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Quoted:


Lighter from a logistical standpoint, but not from a tactical standpoint. Who in the world is even gonna notice a difference in ounces on their gear?



Logistical though, I can see the military saving money not just from the cost of materials, but from the costs of having to transport that stuff. Then again, Polymer cased ammo might be the better solution if the R&D companies can get the mixture of the plastic right.
 

View Quote View All Quotes
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Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
Aluminum cases are the way to go.

They are:
1: Lighter than both steel and brass.
2: More brass-like in case behavior under pressure than steel, and thus a better replacement for brass than steel.
3: Cheaper finished product than brass or steel.
4: Not prone to rust like steel.
5: Easier to work than steel.


Lighter from a logistical standpoint, but not from a tactical standpoint. Who in the world is even gonna notice a difference in ounces on their gear?



Logistical though, I can see the military saving money not just from the cost of materials, but from the costs of having to transport that stuff. Then again, Polymer cased ammo might be the better solution if the R&D companies can get the mixture of the plastic right.
 

LOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOL
Link Posted: 6/28/2014 10:47:22 AM EDT
[#16]
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Quoted:


We pick our brass up in a war zone? As in after a firefight?
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Quoted:
You do know we recycle our brass don't you?


We pick our brass up in a war zone? As in after a firefight?

Link Posted: 6/28/2014 10:55:18 AM EDT
[#17]
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Because cookoffs are awesome. Especially before the firearm even makes it into battery.

The only G11 rounds (squares?) that worked even half-assed were the ones with cast HITP. Those compressed-powder propellant charges cooked off with a sneeze or exposure to direct sunlight.
Link Posted: 6/28/2014 10:58:41 AM EDT
[#18]

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Steel can be recycled as well, and you can pick it up with a magnet, no need to bend over



ETA I see I was beaten why several seconds
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What would I do with my Privates who need extra duty?



 
Link Posted: 6/28/2014 11:01:05 AM EDT
[#19]
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Boxer primed steel cases would be easily reloadable. Though they probably wouldn't last nearly as long as brass... Or maybe they would, considering primer pocket life as a limiting factor.
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I thought steel cases chewed up reloading dies.
Link Posted: 6/28/2014 11:01:28 AM EDT
[#20]
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What would I do with my Privates who need extra duty?
 
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Steel can be recycled as well, and you can pick it up with a magnet, no need to bend over

ETA I see I was beaten why several seconds
What would I do with my Privates who need extra duty?
 


Take away their magnets?
Link Posted: 6/28/2014 11:09:41 AM EDT
[#21]
".mil really needs caseless ammo"

- as noted by another poster cookoffs can be a problem.  The other limitation is accuracy (or lack thereof).

Solution:  Phased plasma rifle in the 40 watt range, please.
Link Posted: 6/28/2014 11:12:27 AM EDT
[#22]
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Steel rusts
Brass just tarnishes
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You do know we recycle our brass don't you?

  You can recycle or re-use steel as well.

Steel rusts
Brass just tarnishes


Both are forms of oxidation.
Link Posted: 6/28/2014 11:18:47 AM EDT
[#23]


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sshhhh, GD ain't got time for numbers and fizaks. Building bird houses in shop class is considered the top choice for higher free electives in high school.





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Quoted:



Quoted:



Quoted:



Boxer primed steel cases would be easily reloadable. Though they probably wouldn't last nearly as long as brass... Or maybe they would, considering primer pocket life as a limiting factor.


I was under the impression that steel, being harder than brass, is much more likely to crack, even after a single firing. I don't think I could bring myself to trust steel reloads.




sshhhh, GD ain't got time for numbers and fizaks. Building bird houses in shop class is considered the top choice for higher free electives in high school.







Massive fail.



The mild steel used in cartridge casings is just as "soft" as brass, however it doesn't expand quite as much.
Link Posted: 6/28/2014 11:20:10 AM EDT
[#24]
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Quoted:
".mil really needs caseless ammo"

- as noted by another poster cookoffs can be a problem.  The other limitation is accuracy (or lack thereof).

Solution:  Phased plasma rifle in the 40 watt range, please.
View Quote


If I remember correctly, it also has to be vacuum packed and it gets "stale" if it's opened and not used, especially in humid conditions.
Link Posted: 6/28/2014 11:20:25 AM EDT
[#25]
The French use steel cased 556 for their FAMAS rifles.
Link Posted: 6/28/2014 11:23:18 AM EDT
[#26]
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Quoted:

Floor buffers MUST stay!!!!!  I've gotten and seen many a bruise from riding floor buffers
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Quoted:
Quoted:
It would make it too easy on privates when it comes to policing up a range after shooting all day, they could just use a magnet on wheels and not have to scrounge around on their hands and knees



Sure, next thing you know, you're going to want to get rid of the floor buffers.


Floor buffers MUST stay!!!!!  I've gotten and seen many a bruise from riding floor buffers

before lights out the announcement "put you boots on your locker".. every night fire guards buffing blasted some joe's boots  who left their stuff on the ground...
Link Posted: 6/28/2014 11:25:09 AM EDT
[#27]

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Quoted:
Because cookoffs are awesome. Especially before the firearm even makes it into battery.



The only G11 rounds (squares?) that worked even half-assed were the ones with cast HITP. Those compressed-powder propellant charges cooked off with a sneeze or exposure to direct sunlight.
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Quoted:







Because cookoffs are awesome. Especially before the firearm even makes it into battery.



The only G11 rounds (squares?) that worked even half-assed were the ones with cast HITP. Those compressed-powder propellant charges cooked off with a sneeze or exposure to direct sunlight.




Problem solved, use an open-bolt system.



 

Link Posted: 6/28/2014 11:28:11 AM EDT
[#28]

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I believe it gets melted down...think recycled aluminum cans.
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Quoted:


Quoted:

You do know we recycle our brass don't you?


Never seen re-man or reloaded ammo in inventory.



Do tell us more.....


I believe it gets melted down...think recycled aluminum cans.

It is sold of as scrap surplus or sometimes sold for reloading...but in 1,000+ lb lots. GovtLiquidation carries a bunch of it.






 

Link Posted: 6/28/2014 11:39:15 AM EDT
[#29]

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Quoted:




It is sold of as scrap surplus or sometimes sold for reloading...but in 1,000+ lb lots. GovtLiquidation carries a bunch of it.

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Quoted:



Quoted:


Quoted:


Quoted:

You do know we recycle our brass don't you?


Never seen re-man or reloaded ammo in inventory.



Do tell us more.....


I believe it gets melted down...think recycled aluminum cans.

It is sold of as scrap surplus or sometimes sold for reloading...but in 1,000+ lb lots. GovtLiquidation carries a bunch of it.






 







Arfcom needs a warehouse to store all that brass. Maybe a forklift or two for Aimless.



 

Link Posted: 6/28/2014 11:43:15 AM EDT
[#30]
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Quoted:


WTF is this?

They just let them go and accept it?
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Quoted:
Quoted:
Quoted:
On Fort Hood in the 80's we were on a life fire range shootin 20MM Vulcans. After a couple tracks had maneuvered downrange firing from several points, they turned around and came back to the starting point. A Humvee came up out of the impact area, in full view of all of us, and a couple guys jumped out and shoveled the brass into the back. After collecting several thousand rounds of spent 20MM they went back into the impact area. No one would follow them into there. We were shut down and could not fire on them, we asked to though. Later we were told that there were several HUMVEE S  that were missing and presumed stolen. The belief was that the scavenger families that lived on the edges of post had the Hummvee s stashed in the Permanant no entry impact areas and that is who we watched take all that brass.

Without the US Army, those folks would have starved.


They're still there.  "Brass pickers" as the range ops/support contractors called 'em:  "Don't fuck with the brass pickers, they kill you for a shell casing or a sabot petal."

I never saw the HMMWVs but they do hide in the impact area waiting for lulls in the firing so they can run out and grab whatever they can.


WTF is this?

They just let them go and accept it?


Can't really stop them; you'd spend all your time chasing them around...like bop the weasel.

I'm surprised more of them don't get killed/injured in their endeavors.  Note that Soldier65 was talking about them stealing from the firing points...I'm talking about them going for expended ordnance down range...like sabot petals, cases dropped from aircraft, rocket bodies, you name it.  They would get to the stuff before we could drive from Range Control out to inspect/score/repair targets.  In fact, I think they would use the Range Control truck as their cue that it was "safe" to start scavenging.
Link Posted: 6/28/2014 11:48:17 AM EDT
[#31]
Why not follow them?

I'm amazed to hear this happens....bizarre.
Link Posted: 6/28/2014 11:59:31 AM EDT
[#32]
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Quoted:

Floor buffers MUST stay!!!!!  I've gotten and seen many a bruise from riding floor buffers
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Quoted:
Quoted:
Quoted:
It would make it too easy on privates when it comes to policing up a range after shooting all day, they could just use a magnet on wheels and not have to scrounge around on their hands and knees



Sure, next thing you know, you're going to want to get rid of the floor buffers.


Floor buffers MUST stay!!!!!  I've gotten and seen many a bruise from riding floor buffers


I thought that riding a floor buffer was a grunt right of passage, like fucking a fat chick at closing time.
Link Posted: 6/28/2014 12:19:54 PM EDT
[#33]
WW2 era steel cases 45 had steel in the bullet jacket too. Sometimes they rust together.
Link Posted: 6/28/2014 12:22:56 PM EDT
[#34]
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Commies used brass to, but I've had better luck with their steel cased.
<a href="http://s57.photobucket.com/user/tom2147/media/polishammo.jpg.html" target="_blank">http://i57.photobucket.com/albums/g235/tom2147/polishammo.jpg</a>
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Polish or Romanian?

Looks like pure shit.
Link Posted: 6/28/2014 12:30:09 PM EDT
[#35]
Have you ever seen rusty steel cased ammo.    It can get that way pretty quick in a humid environment.

Link Posted: 6/28/2014 12:32:03 PM EDT
[#36]
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Have you ever seen rusty steel cased ammo.    It can get that way pretty quick in a humid environment.

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I've got a bucket full of spent AK casings that sort of say otherwise. They aren't rusty at all on the outside, where they are either coated in com bloc lacquer, or the newer wolf "polymer" coating.
Link Posted: 6/28/2014 12:40:20 PM EDT
[#37]
Brass and copper we have.

Steel?  Well, there's only four foundries operating in the US.  We couldn't build a WW II era battleship today if we wanted to.
Link Posted: 6/28/2014 12:44:47 PM EDT
[#38]
Because we are not a bunch of Godless Commies, that's why!
Link Posted: 6/28/2014 12:51:45 PM EDT
[#39]
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Quoted:
WW2 era steel cases 45 had steel in the bullet jacket too. Sometimes they rust together.
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We use steel in 9mm bullet jackets, but there's an outer layer of Tombac which protects the barrel and keeps the bullet from rusting.
Link Posted: 6/28/2014 1:05:11 PM EDT
[#40]
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Steel?  Well, there's only four foundries operating in the US.  
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You're high.
Link Posted: 6/28/2014 1:10:30 PM EDT
[#41]
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  Sell it, not reload it.
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You do know we recycle our brass don't you?


As in reload? No I honestly didn't.  

  Sell it, not reload it.


I thought maybe you cast it into balls.
Link Posted: 6/28/2014 1:13:50 PM EDT
[#42]
Brass is prefferd...

Metal case is cheaper..
Link Posted: 6/28/2014 1:20:40 PM EDT
[#43]
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I've always wondered why it wasn't as popular for ammo. I have shot CCI Blazer aluminum cased ammo before with zero problems out of a few pistols.
 
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Aluminum cases are the way to go.

They are:
1: Lighter than both steel and brass.
2: More brass-like in case behavior under pressure than steel, and thus a better replacement for brass than steel.
3: Cheaper finished product than brass or steel.
4: Not prone to rust like steel.
5: Easier to work than steel.
I've always wondered why it wasn't as popular for ammo. I have shot CCI Blazer aluminum cased ammo before with zero problems out of a few pistols.
 


Aluminum corrodes like a mofo, dude. And 9mm is not 5.56.
Link Posted: 6/28/2014 1:27:13 PM EDT
[#44]
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Alumunium has odd long term storage behavior.  I have 15 yr old blazer 9mm.  There is a white powder creeping  up the brass bullets, from the Al casings.  They fire fine, but I'm guessing it's Aluminum oxide.  Wonder what that's doing to barrel erosion...  I wonder if brass has better long term storage?  Then again, maybe it's just rubbings of the white plastic tray they are in - not sure

I imagine with steel the concern is reliability in hot chambers & extraction.  Steel tends to get "sticky", and expands when hot.  Get a failure to extract with a steel case and you better find a cleaning rod.  With brass, it has a little spring back after the firing pressure expansion, so a lot easier to extract.
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Aluminum cases are the way to go.

They are:
1: Lighter than both steel and brass.
2: More brass-like in case behavior under pressure than steel, and thus a better replacement for brass than steel.
3: Cheaper finished product than brass or steel.
4: Not prone to rust like steel.
5: Easier to work than steel.


Lighter from a logistical standpoint, but not from a tactical standpoint. Who in the world is even gonna notice a difference in ounces on their gear?



Logistical though, I can see the military saving money not just from the cost of materials, but from the costs of having to transport that stuff. Then again, Polymer cased ammo might be the better solution if the R&D companies can get the mixture of the plastic right.



Assuming a combat load of 300 rounds (heavy for most, light for some, just roll with me here), aluminum cases would save almost 2lbs of weight.

Not huge, but not tiny. You could carry two more mags for the same weight.

And yes, for the engineers, this factors in thicker case walls for aluminum cases. Not just density conversion.



Alumunium has odd long term storage behavior.  I have 15 yr old blazer 9mm.  There is a white powder creeping  up the brass bullets, from the Al casings.  They fire fine, but I'm guessing it's Aluminum oxide.  Wonder what that's doing to barrel erosion...  I wonder if brass has better long term storage?  Then again, maybe it's just rubbings of the white plastic tray they are in - not sure

I imagine with steel the concern is reliability in hot chambers & extraction.  Steel tends to get "sticky", and expands when hot.  Get a failure to extract with a steel case and you better find a cleaning rod.  With brass, it has a little spring back after the firing pressure expansion, so a lot easier to extract.


It's not the tray. Aluminum casings do this. (probably galvanic) Unless they anodized them or something (which probably wouldn't work very well since the loading process would probably compromise the anodize) it is a bad idea IMHO. I have fired brass cased ammo loaded in the 1890s that looked great, and have decade old aluminum cased pistol cartridges that are in very bad shape.
Link Posted: 6/28/2014 2:00:01 PM EDT
[#45]
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Never seen re-man or reloaded ammo in inventory.
Do tell us more.....  
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You do know we recycle our brass don't you?  


Never seen re-man or reloaded ammo in inventory.
Do tell us more.....  


Used to be that surplus military brass was the backbone of the civilian reloaded ammo business.  I've shot thousands of round of Black Hills 5.56 reloads, most of which was in Lake City brass.
Link Posted: 6/28/2014 2:07:43 PM EDT
[#46]
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On Fort Hood in the 80's we were on a life fire range shootin 20MM Vulcans. After a couple tracks had maneuvered downrange firing from several points, they turned around and came back to the starting point. A Humvee came up out of the impact area, in full view of all of us, and a couple guys jumped out and shoveled the brass into the back. After collecting several thousand rounds of spent 20MM they went back into the impact area. No one would follow them into there. We were shut down and could not fire on them, we asked to though. Later we were told that there were several HUMVEE S  that were missing and presumed stolen. The belief was that the scavenger families that lived on the edges of post had the Hummvee s stashed in the Permanant no entry impact areas and that is who we watched take all that brass.

Without the US Army, those folks would have starved.
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Holy shit.

Link Posted: 6/28/2014 2:11:34 PM EDT
[#47]
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Can't really stop them; you'd spend all your time chasing them around...like bop the weasel.

I'm surprised more of them don't get killed/injured in their endeavors.  Note that Soldier65 was talking about them stealing from the firing points...I'm talking about them going for expended ordnance down range...like sabot petals, cases dropped from aircraft, rocket bodies, you name it.  They would get to the stuff before we could drive from Range Control out to inspect/score/repair targets.  In fact, I think they would use the Range Control truck as their cue that it was "safe" to start scavenging.  
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On Fort Hood in the 80's we were on a life fire range shootin 20MM Vulcans. After a couple tracks had maneuvered downrange firing from several points, they turned around and came back to the starting point. A Humvee came up out of the impact area, in full view of all of us, and a couple guys jumped out and shoveled the brass into the back. After collecting several thousand rounds of spent 20MM they went back into the impact area. No one would follow them into there. We were shut down and could not fire on them, we asked to though. Later we were told that there were several HUMVEE S  that were missing and presumed stolen. The belief was that the scavenger families that lived on the edges of post had the Hummvee s stashed in the Permanant no entry impact areas and that is who we watched take all that brass.

Without the US Army, those folks would have starved.  


They're still there.  "Brass pickers" as the range ops/support contractors called 'em:  "Don't fuck with the brass pickers, they kill you for a shell casing or a sabot petal."

I never saw the HMMWVs but they do hide in the impact area waiting for lulls in the firing so they can run out and grab whatever they can.


WTF is this?
They just let them go and accept it?


Can't really stop them; you'd spend all your time chasing them around...like bop the weasel.

I'm surprised more of them don't get killed/injured in their endeavors.  Note that Soldier65 was talking about them stealing from the firing points...I'm talking about them going for expended ordnance down range...like sabot petals, cases dropped from aircraft, rocket bodies, you name it.  They would get to the stuff before we could drive from Range Control out to inspect/score/repair targets.  In fact, I think they would use the Range Control truck as their cue that it was "safe" to start scavenging.  


Sounds like stories I heard about the Clark AB air to ground gunnery range in the Philippines.  Older pilots talked about the Filipinos running out onto the range between planes to grab the 20mm brass that the F-4C and F-4D 20mm gun pods and that the B-57Gs 20mm cannons would drop.
Link Posted: 6/28/2014 2:15:07 PM EDT
[#48]

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WTF is this?



They just let them go and accept it?
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Quoted:


Quoted:

On Fort Hood in the 80's we were on a life fire range shootin 20MM Vulcans. After a couple tracks had maneuvered downrange firing from several points, they turned around and came back to the starting point. A Humvee came up out of the impact area, in full view of all of us, and a couple guys jumped out and shoveled the brass into the back. After collecting several thousand rounds of spent 20MM they went back into the impact area. No one would follow them into there. We were shut down and could not fire on them, we asked to though. Later we were told that there were several HUMVEE S  that were missing and presumed stolen. The belief was that the scavenger families that lived on the edges of post had the Hummvee s stashed in the Permanant no entry impact areas and that is who we watched take all that brass.



Without the US Army, those folks would have starved.




They're still there.  "Brass pickers" as the range ops/support contractors called 'em:  "Don't fuck with the brass pickers, they kill you for a shell casing or a sabot petal."



I never saw the HMMWVs but they do hide in the impact area waiting for lulls in the firing so they can run out and grab whatever they can.




WTF is this?



They just let them go and accept it?
They went after them in the early '90's... Caught a few, then quit because the Brass Rats started destroying equipment on the ranges in retaliation. Whole gunnery cycles were disrupted for months while the ranges were repaired. The Army backed off, the head civvie at range control left abruptly, and the brass rats quit taking brass and petals while the range was hot- for the most part. I never saw any use Hummers, but used to see small Toyota 4X4's, Subaru brats, etc...



 
Link Posted: 6/28/2014 2:19:48 PM EDT
[#49]
It is one of the benefits of being a superpower.
Link Posted: 6/28/2014 2:23:02 PM EDT
[#50]
I don't know but caseless ammo is right around the corner....Oh wait.
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