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Link Posted: 1/29/2011 6:23:03 PM EDT
[#1]
Originally Posted By pwr2al4:
Originally Posted By StretchMaK:

Originally Posted By neoinarien:
Can someone help me out: I really LIKE the mk 12 mod 0/1... but I have a hard time rationalizing their existence.

With the growth and return to a lot of 20" barrels, why go to the mk 12's 18"? with the telescopic sight, it's clearly not going to be a CQB rifle... so it seems like you may as well go with a 20".

Can someone enlighten me? What am I missing?





I have both 20" and 18" AR15 rifles. I find that neither one is more accurate then the other. I do find that my 20" HBARs are very front heavy vs my 18" HBARs. The Mk 12 rifles are also made to mount a suppressor which is long so it helps to shorten the overall length of the rifles.

Others with more knowledge may give a better answer then I can. These are just my thoughts as to why they went with an 18" over the 20" barrel.


I'm way out of my lane on this one, but I thought we all accept the modern theory that barrel length and accuracy have very little direct relation at all. A longer barrel will translate to better muzzle velocity and sometimes a longer sight radius, but I thought the longer barrel better accuracy idea was dead??

a 20" mk12 with or without a can would be a tremendous bitch to handle imo.


To some extent barrel length is going to play a role in accuracy.  To assume a 1" barrel is going to be as accurate as a 20" barrel is ridiculous.  There is a direct connection between velocity and accuracy in terms of the projectile's susceptibility to external variables.  

But as far as a 20" barrel being more accurate than an 18" barrel both being chambered in 5.56 is false.  It all comes down to the end user and the purpose of the weapon in the end.


Link Posted: 1/29/2011 7:24:57 PM EDT
[#2]




Originally Posted By pwr2al4:



Originally Posted By StretchMaK:





Originally Posted By neoinarien:

Can someone help me out: I really LIKE the mk 12 mod 0/1... but I have a hard time rationalizing their existence.





With the growth and return to a lot of 20" barrels, why go to the mk 12's 18"? with the telescopic sight, it's clearly not going to be a CQB rifle... so it seems like you may as well go with a 20".






Can someone enlighten me? What am I missing?



















I have both 20" and 18" AR15 rifles. I find that neither one is more accurate then the other. I do find that my 20" HBARs are very front heavy vs my 18" HBARs. The Mk 12 rifles are also made to mount a suppressor which is long so it helps to shorten the overall length of the rifles.



Others with more knowledge may give a better answer then I can. These are just my thoughts as to why they went with an 18" over the 20" barrel.




I'm way out of my lane on this one, but I thought we all accept the modern theory that barrel length and accuracy have very little direct relation at all. A longer barrel will translate to better muzzle velocity and sometimes a longer sight radius, but I thought the longer barrel better accuracy idea was dead??



a 20" mk12 with or without a can would be a tremendous bitch to handle imo.




As I said, I see no diff in accuracy from my 20" or 18" rifles. I was just trying to give my take on why the powers to be went with the 18 incher over a 20 inch. I do not know for sure but would guess it came down to overall length.
Link Posted: 1/29/2011 9:47:38 PM EDT
[#3]
Originally Posted By justin_schuyler:
Right off the bat, I wish I had never come accross this thread.  Now by bank account is about 3k lighter

I've got my mod0 assembled and I want to sight her in but none of my 3 different front sight tools will work.  Anyone got a bead on one that is definitely compatible?


I think Bushmaster? maybe? sells a really long stainless pencile shaped one, so you don't have the bulged knob at the top . Is that what's hitting your PRI sight hood?
Link Posted: 1/29/2011 11:01:53 PM EDT
[#4]




Originally Posted By RifleTwo:



Originally Posted By justin_schuyler:

Right off the bat, I wish I had never come accross this thread. Now by bank account is about 3k lighter



I've got my mod0 assembled and I want to sight her in but none of my 3 different front sight tools will work. Anyone got a bead on one that is definitely compatible?




I think Bushmaster? maybe? sells a really long stainless pencile shaped one, so you don't have the bulged knob at the top . Is that what's hitting your PRI sight hood?




I have three diff front sight tools. Two are four prong and one is two prong and none of them work. None of them fit down through the cut out in the top of the PRI sight hood. I have two small screw drivers that work good. One to push the button down and one to turn the post.
Link Posted: 1/29/2011 11:54:01 PM EDT
[#5]
Originally Posted By RTUtah:
Originally Posted By starduks:

Originally Posted By clamber:
What would you guys say is a good budget for a complete Mk12 Mod 0?

3k  give or take.
 


Are you figuring in the suppressor as well?  I fully intend to build one well under $3k but that's with no suppressor and an optic under $400, and not including the lower.  With that said, I doubt the purists will consider mine a Mk12.

On the topic of 18" barrels VS. 20" barrels, I wager a 16" mid-length Mk12 would be quite sick...


I've got a Custom profile 16" barrel with rifle gas system on my mk12 build. my YHM can stays on it so it looks just like a normal MOD0 until you get close. 16" 1:7 twist with a rifle gas system. with the can it barly bumps, no recoil at all, and it cycles wonderfully. (damn accurate to boot)
Link Posted: 1/30/2011 12:25:30 AM EDT
[Last Edit: 5R_milspec] [#6]
where is everyone getting their arms spr-peq rail? swfa, gun broker, ebay, adco, everywhere i can think of, are all out. i couldnt even find them on ARMS website
Link Posted: 1/30/2011 1:12:07 AM EDT
[#7]
To tell you the truth.. I have no idea where i got mine. I was digging through an old parts/project bin in thebasement about 2 months ago and found two of them hidden in there.... I don't really remember buying them.I gave one to my dad and i built my SPR with the other...

try Del-Ton?
Link Posted: 1/30/2011 9:45:19 AM EDT
[#8]
pri-mounts.com
Link Posted: 1/30/2011 12:11:14 PM EDT
[Last Edit: BaileyMoto] [#9]
Bunch of pics on my site at www.mk12.net


Link Posted: 1/30/2011 12:37:56 PM EDT
[#10]
Originally Posted By StretchMaK:

Originally Posted By PFC_Kramer:
Originally Posted By srtsam:
i was lucky enough to stumble across a seller on another forum. Came with Bag and original paperwork. Great guy too. As for the rings they lock up great. I am not sure what all the fuss is about with them. They were solid right outta of the package. In fact, I think I got them off a seller on Arfcom. Don't get me wrong I love Larue and Kev also had the NF rings, but the Arms were OEM so I decided to go with them. I think now its NF and/or Larue that was being issued.
So's who is the go to company for Mod 0's?


Consider yourself lucky. The ARMS rings I used wouldn't lock up tight even to their own ARMS PEQ top rail. I can see the ARMS rings not working with 3rd party manufacturers rails and receivers etc, but when they don't even fit the same companies rails that just piss poor qc. The lack of ability to not account for tolerance differences just proves their design is mediocre at best.

WOW, I did not need to here that. I have an ARMS #35 track mount and #35 med rings on order. Wish they would get here already. I hope they fit tight. I almost went with the LaRue mount, hope I did not screw up with the ARMS mounts.


My ARMS #22 med rings lock up just fine.  No problems here.
Link Posted: 1/30/2011 12:41:37 PM EDT
[Last Edit: FAB-10_Guy] [#11]
Originally Posted By clamber:
What would you guys say is a good budget for a complete Mk12 Mod 0?


$4000, give or take $500.  If you buy everything new, then plan on about $5000.

ETA: screenshot of my Excel spreadsheet
Link Posted: 1/30/2011 1:07:29 PM EDT
[#12]
Originally Posted By KrazyL:
Originally Posted By RTUtah:
Originally Posted By starduks:

Originally Posted By clamber:
What would you guys say is a good budget for a complete Mk12 Mod 0?

3k  give or take.
 


Are you figuring in the suppressor as well?  I fully intend to build one well under $3k but that's with no suppressor and an optic under $400, and not including the lower.  With that said, I doubt the purists will consider mine a Mk12.

On the topic of 18" barrels VS. 20" barrels, I wager a 16" mid-length Mk12 would be quite sick...


I've got a Custom profile 16" barrel with rifle gas system on my mk12 build. my YHM can stays on it so it looks just like a normal MOD0 until you get close. 16" 1:7 twist with a rifle gas system. with the can it barly bumps, no recoil at all, and it cycles wonderfully. (damn accurate to boot)


Have you posted pics of this thing yet?
Link Posted: 1/30/2011 3:52:47 PM EDT
[Last Edit: turbosa22c] [#13]
Just got back from the range.  my wannabe mk12mod0  one daqy i need to put that rear sight on.

http://farm6.static.flickr.com/5178/5401740467_ab1728c22d_b.jpg


http://farm6.static.flickr.com/5291/5401788755_8fbc4edcc4_b.jpg

dpms barrel 1-8 twist stainless
m&p lower
cmmg 2 stage trigger
tps medium rings
leupold mk4 2.5x8 m2 knobs mildot.
krylon
Link Posted: 1/31/2011 1:13:36 AM EDT
[#14]
Originally Posted By RTUtah:
Originally Posted By KrazyL:
Originally Posted By RTUtah:
Originally Posted By starduks:

SNIP


Not yet, I'm waiting on my A2 stock to show up.... as soon as it's in I'll post pic's though. I've got a 5 position m4 stock on it right now. It does ok and was fine for testing the rifle, but it needs an A2 stock. They just look right that way. Pics will be up as soon as It gets here though.
Link Posted: 1/31/2011 10:35:54 AM EDT
[Last Edit: RTUtah] [#15]
Originally Posted By KrazyL:
Not yet, I'm waiting on my A2 stock to show up.... as soon as it's in I'll post pic's though. I've got a 5 position m4 stock on it right now. It does ok and was fine for testing the rifle, but it needs an A2 stock. They just look right that way. Pics will be up as soon as It gets here though.


Ahh c'mon, that rig is begging for a SOPMOD!

On the subject of ammo grain, I assume everyone is shooting 75 and 77 grain ammo in their Mk12s.  This is something that I don't have any real knowledge on so forgive me for my ignorance.  Is there any significant difference between shooting the standard 55 grain ammo or the 75 / 77 grain rounds through these uppers?  In regards to optics, I think I've decided to use the moderately priced Nikon 2-8x M-223, which is calibrated for 55 grain ammo.  What sort of difference in performance should I expect shooting 55 grain ammo through these barrels, and what should I expect when shooting 75 / 77 grain ammo through a scope calibrated for 55 grain ammo?
Link Posted: 1/31/2011 2:34:47 PM EDT
[#16]
Originally Posted By FAB-10_Guy:
Originally Posted By StretchMaK:

Originally Posted By PFC_Kramer:
Originally Posted By srtsam:
i was lucky enough to stumble across a seller on another forum. Came with Bag and original paperwork. Great guy too. As for the rings they lock up great. I am not sure what all the fuss is about with them. They were solid right outta of the package. In fact, I think I got them off a seller on Arfcom. Don't get me wrong I love Larue and Kev also had the NF rings, but the Arms were OEM so I decided to go with them. I think now its NF and/or Larue that was being issued.
So's who is the go to company for Mod 0's?


Consider yourself lucky. The ARMS rings I used wouldn't lock up tight even to their own ARMS PEQ top rail. I can see the ARMS rings not working with 3rd party manufacturers rails and receivers etc, but when they don't even fit the same companies rails that just piss poor qc. The lack of ability to not account for tolerance differences just proves their design is mediocre at best.

WOW, I did not need to here that. I have an ARMS #35 track mount and #35 med rings on order. Wish they would get here already. I hope they fit tight. I almost went with the LaRue mount, hope I did not screw up with the ARMS mounts.


My ARMS #22 med rings lock up just fine.  No problems here.


Most of the ARMS hate on this board is largely unwarranted IMO, I've been using a variety of ARMS mounts since the 90's with pretty much zero problems.
Link Posted: 1/31/2011 2:37:00 PM EDT
[#17]
Originally Posted By FAB-10_Guy:
Originally Posted By clamber:
What would you guys say is a good budget for a complete Mk12 Mod 0?


$4000, give or take $500.  If you buy everything new, then plan on about $5000.

ETA: screenshot of my Excel spreadsheet
http://img263.imageshack.us/img263/3296/mk12mod0screenshot.png


Those prices seem too good to be true for many of those parts, where can I find that scope for 750ish these days?
Link Posted: 1/31/2011 2:57:02 PM EDT
[#18]
I figure off the top of my head that I will have about 4k in my mod 0 give or take a little. I am not sure what to price my lower at though. I used the lower from my Colt 6700 which I already had on hand. I also need to get a better trigger for it. Also need to get the suppressor.



My ARMS mounts came in today. Should have some pics of the finished rifle in a few days time.
Link Posted: 1/31/2011 5:30:39 PM EDT
[#19]
i have shot at 500yds with both pmc 55gr and some black hills 77gr.  my rifle is zeroed with blackhills.  i typically dial in about 12moa elevation with the 77gr.  i have noticed that the 55gr has less drop at that same distance.  about 2.5 to 3moa.  i have no idea on what kind of energy they both have at that distance.  the best i can do is about 1.5moa at that distance with black hills.  pmc was getting something like 3moa at that distance.  i think the wind was moving it around more.
Link Posted: 1/31/2011 6:26:42 PM EDT
[Last Edit: RifleTwo] [#20]
Originally Posted By Harlikwin:
Originally Posted By FAB-10_Guy:
Originally Posted By clamber:
What would you guys say is a good budget for a complete Mk12 Mod 0?


$4000, give or take $500.  If you buy everything new, then plan on about $5000.

ETA: screenshot of my Excel spreadsheet
http://img263.imageshack.us/img263/3296/mk12mod0screenshot.png


Those prices seem too good to be true for many of those parts, where can I find that scope for 750ish these days?


Is that an older list? Why would you pay $409 for a CLE douglas SPR?[ thats just a tad high for a bolt and barrel from CLE dont ya think? I paid right at $359 for mine. That's with a matched bolt, M4 feed ramps installed(extra  $5) the USPS Pri.Mail shipping, and a tub of JB bore paste. Just the barrel was only $280. And PLEASE tell me where you got a Ops 12th brake for $20. I'd like to order about 10 of them.
Link Posted: 1/31/2011 11:12:32 PM EDT
[#21]
In regards to the sopmod suggestion, I tried it with an ACS. I liked it. It just looks better with an A2 though...

As for feed for these things, mine has had a diet of 62gr green tip, 75gr wolf HPBT, 77gr BTHP (mk262 over runs), and about 60rds of MK318. Of which I can achieve groups (shooting 300 yards, prone position off of a bipod, no wind in a heavily wooded area) of about .75 MOA to 1 MOA with green tip, wolf hits about 1.5-2.5 MOA, MK262 makes a nice .5-.75 MOA if i do my part, and the mk318 does a nice .75 MOA as well

all in all It totally depends on the shooter doing his part. I prefer to shoot green tip as it's cheaper, but still a nice milspec 5.56 pressure round. I have shot some random ammo through it, nothing major or jaw dropping though. lots of "ok" groups. I did have one lot number of wolf .62gr HP that shot a very nice half of an Inch group at 100 yards. To this day I have not been able to duplicate it though and so i discount it as a fluke.
Link Posted: 1/31/2011 11:28:24 PM EDT
[#22]
ost
Link Posted: 2/1/2011 12:42:51 AM EDT
[#23]
I HATE YOU ALL!!!!

(pure jealousy)
Link Posted: 2/1/2011 4:30:03 AM EDT
[#24]
Originally Posted By Harlikwin:
Originally Posted By FAB-10_Guy:
Originally Posted By clamber:
What would you guys say is a good budget for a complete Mk12 Mod 0?


$4000, give or take $500.  If you buy everything new, then plan on about $5000.

ETA: screenshot of my Excel spreadsheet
http://img263.imageshack.us/img263/3296/mk12mod0screenshot.png


Those prices seem too good to be true for many of those parts, where can I find that scope for 750ish these days?


Lots of those parts i got off the EE here, including the scope.  Shop around, there are deals to be had, but like I said, if you pay full retail for new parts, it's going to run you close to $5000 for everything.
Link Posted: 2/1/2011 4:38:07 AM EDT
[Last Edit: FAB-10_Guy] [#25]
Originally Posted By RifleTwo:
Originally Posted By Harlikwin:
Originally Posted By FAB-10_Guy:
Originally Posted By clamber:
What would you guys say is a good budget for a complete Mk12 Mod 0?


$4000, give or take $500.  If you buy everything new, then plan on about $5000.

ETA: screenshot of my Excel spreadsheet
http://img263.imageshack.us/img263/3296/mk12mod0screenshot.png


Those prices seem too good to be true for many of those parts, where can I find that scope for 750ish these days?


Is that an older list? Why would you pay $409 for a CLE douglas SPR?[ thats just a tad high for a bolt and barrel from CLE dont ya think? I paid right at $359 for mine. That's with a matched bolt, M4 feed ramps installed(extra  $5) the USPS Pri.Mail shipping, and a tub of JB bore paste. Just the barrel was only $280. And PLEASE tell me where you got a Ops 12th brake for $20. I'd like to order about 10 of them.


Not sure how you got your Douglas barrel so cheap, but that's what it was, shipped to me in MT.  Matched bolt, M4 feedramps, sandblasted finish.  
http://www.compasslake.com/Price%20List.htm

Douglas SS barrel = $325, matched bolt = $56, M4 feed ramps = $5.50, Total = $386.50, then add $22.50 shipping and you have $409

Ops Inc brake came with the suppressor.  I listed the shipping cost under the brake, sorry.  Not entirely accurate.
Link Posted: 2/1/2011 6:44:30 PM EDT
[#26]
Originally Posted By FAB-10_Guy:
Originally Posted By RifleTwo:
Originally Posted By Harlikwin:
Originally Posted By FAB-10_Guy:
Originally Posted By clamber:
What would you guys say is a good budget for a complete Mk12 Mod 0?


$4000, give or take $500.  If you buy everything new, then plan on about $5000.

ETA: screenshot of my Excel spreadsheet
http://img263.imageshack.us/img263/3296/mk12mod0screenshot.png


Those prices seem too good to be true for many of those parts, where can I find that scope for 750ish these days?


Is that an older list? Why would you pay $409 for a CLE douglas SPR?[ thats just a tad high for a bolt and barrel from CLE dont ya think? I paid right at $359 for mine. That's with a matched bolt, M4 feed ramps installed(extra  $5) the USPS Pri.Mail shipping, and a tub of JB bore paste. Just the barrel was only $280. And PLEASE tell me where you got a Ops 12th brake for $20. I'd like to order about 10 of them.


Not sure how you got your Douglas barrel so cheap, but that's what it was, shipped to me in MT.  Matched bolt, M4 feedramps, sandblasted finish.  
http://www.compasslake.com/Price%20List.htm

Douglas SS barrel = $325, matched bolt = $56, M4 feed ramps = $5.50, Total = $386.50, then add $22.50 shipping and you have $409

Ops Inc brake came with the suppressor.  I listed the shipping cost under the brake, sorry.  Not entirely accurate.


still an Ops Inc can with the muzzle break and collar for $800 is a good deal.  Your rings at $20 and $30 were a good deal too.
Link Posted: 2/1/2011 8:40:50 PM EDT
[#27]
Originally Posted By AllAmerican2000:


still an Ops Inc can with the muzzle break and collar for $800 is a good deal.  Your rings at $20 and $30 were a good deal too.


Long story behind the Ops Inc can & brake that I don't want to go into here.

ARMS #22 TRR
ARMS #22 TRC
Link Posted: 2/1/2011 11:18:29 PM EDT
[#28]
Centurion Mk12 Mod1 upper for sale in the EE.  Not my ad.
Link Posted: 2/1/2011 11:31:11 PM EDT
[#29]
Originally Posted By RTUtah:
Centurion Mk12 Mod1 upper for sale in the EE.  Not my ad.


I've been considering building a MK12 type rifle (don't care if it is an exact clone or not), but what advantage would this upper have over the BCM MK12 Mod1 upper?  I was actually recommended this exact upper by a friend of mine but haven't read a whole lot about it.

Thanks!
Link Posted: 2/1/2011 11:31:40 PM EDT
[Last Edit: RifleTwo] [#30]
Originally Posted By FAB-10_Guy:
Originally Posted By RifleTwo:
Originally Posted By Harlikwin:
Originally Posted By FAB-10_Guy:
Originally Posted By clamber:
What would you guys say is a good budget for a complete Mk12 Mod 0?


$4000, give or take $500.  If you buy everything new, then plan on about $5000.

ETA: screenshot of my Excel spreadsheet
http://img263.imageshack.us/img263/3296/mk12mod0screenshot.png


Those prices seem too good to be true for many of those parts, where can I find that scope for 750ish these days?


Is that an older list? Why would you pay $409 for a CLE douglas SPR?[ thats just a tad high for a bolt and barrel from CLE dont ya think? I paid right at $359 for mine. That's with a matched bolt, M4 feed ramps installed(extra  $5) the USPS Pri.Mail shipping, and a tub of JB bore paste. Just the barrel was only $280. And PLEASE tell me where you got a Ops 12th brake for $20. I'd like to order about 10 of them.


Not sure how you got your Douglas barrel so cheap, but that's what it was, shipped to me in MT.  Matched bolt, M4 feedramps, sandblasted finish.  
http://www.compasslake.com/Price%20List.htm

Douglas SS barrel = $325, matched bolt = $56, M4 feed ramps = $5.50, Total = $386.50, then add $22.50 shipping and you have $409

Ops Inc brake came with the suppressor.  I listed the shipping cost under the brake, sorry.  Not entirely accurate.


Maybe I ordered on a sale price week, I duno that's just the price I was charged when I called in the order. No sorry needed, I forgot most places sell the Ops 12th with the brake and collar. Jokes on me anyhow, as I haven't yet piled up enough cash to order my 12th can yet enjoy a few quite rounds out of it for all us broke people please sigh.....well, at least I can still look forward to ordering one right?

Link Posted: 2/2/2011 12:19:16 AM EDT
[Last Edit: FAB-10_Guy] [#31]
I started saving for my Mk12 mod 0 build around Nov. 2008.  The Ops Inc 12th model was the first part I saved up for and purchased.  Wasn't sure what the new elected .gov would do as far as gun laws went and I wanted to purchase the parts I thought might get the axe first (already had the stripped lower).  The most expensive parts are the scope and the can.  Got the can first and the scope last.

ETA more pics




Link Posted: 2/2/2011 5:15:21 PM EDT
[#32]
thats nice.  i gotta get me a suppressor one day.
Link Posted: 2/2/2011 6:14:16 PM EDT
[#33]



Originally Posted By FAB-10_Guy:


I started saving for my Mk12 mod 0 build around Nov. 2008.  The Ops Inc 12th model was the first part I saved up for and purchased.  Wasn't sure what the new elected .gov would do as far as gun laws went and I wanted to purchase the parts I thought might get the axe first (already had the stripped lower).  The most expensive parts are the scope and the can.  Got the can first and the scope last.



ETA more pics

http://img63.imageshack.us/img63/1934/dsc0565c.jpg



http://img28.imageshack.us/img28/9198/dsc0564y.jpg



http://img202.imageshack.us/img202/7893/dsc0559x.jpg
WOW! That's one of the nicer ones on here...I've wanted one of these since the thread by muskee first popped up years ago, still can't afford it though. By the time I have the money, all the parts will have dried up





 
Link Posted: 2/2/2011 7:41:15 PM EDT
[#34]
Not likely.  Not too many people can afford to put one together.  
Link Posted: 2/2/2011 7:43:45 PM EDT
[Last Edit: StretchMaK] [#35]
Got my mounts and mounted the scope today. The ARMS rail mount dose fit very tight. I still need to get out and shoot this thing, weather and my 12 hour works days are making this hard to do right now though. I am glad I got the 9-13" bi pod. It fits me real good when prone or sitting at my bench. Not 100% sure on the scope placement yet though. Need to shoot it before that will be set perfect. I am 6'5" tall and it works so far with the A2 stock.





















Link Posted: 2/2/2011 10:13:55 PM EDT
[#36]
not trying to freak you out but just came
Link Posted: 2/2/2011 10:49:08 PM EDT
[#37]
Originally Posted By Harlikwin:
Originally Posted By FAB-10_Guy:
Originally Posted By clamber:
What would you guys say is a good budget for a complete Mk12 Mod 0?


$4000, give or take $500.  If you buy everything new, then plan on about $5000.

ETA: screenshot of my Excel spreadsheet
http://img263.imageshack.us/img263/3296/mk12mod0screenshot.png


Those prices seem too good to be true for many of those parts, where can I find that scope for 750ish these days?

'
I wish you asked sooner, I just had one..


Mark 4 LR/T 4.5-14x50mm (30mm) M1
Matte TMR Illuminated.

Your Price:
$1,071.00

the deals are out there, you just need to be patient

Link Posted: 2/5/2011 2:03:51 AM EDT
[#38]
Would the PRI upper assembly sold by PRI is as close to the real deal?
Link Posted: 2/5/2011 9:17:00 AM EDT
[#39]
Originally Posted By thmpr:
Would the PRI upper assembly sold by PRI is as close to the real deal?


Ummm, it IS the "real deal". PRI supplies the uppers to the military and rebuilds them when they get returned all beat to hell. They are the sole source contractor for the forearms & gas block/sights, and the distributor for the ARMS SWAN rail. They build on Douglas barrels. I haven't figured out yet whether they're sourcing the Ops mount from Ops, or if they're the ones actually making the mounts for Ops.

If you're wanting a Mod 0, their's is about a "real" as you can get without one that "fell off a truck".
Link Posted: 2/5/2011 10:45:59 AM EDT
[#40]
man, your Mod O is friggin nice!!!
Link Posted: 2/5/2011 10:04:25 PM EDT
[#41]
in order for it to be eligible for this thread does one  need to have an exact mod 0 or mod 1 clone? i only ask because I just swapped m pri tube on my mod 0 for a troy rail i had sitting around... i guess now it is just an spr?
Link Posted: 2/6/2011 12:24:23 AM EDT
[#42]
Originally Posted By mkellett:
Originally Posted By thmpr:
Would the PRI upper assembly sold by PRI is as close to the real deal?


Ummm, it IS the "real deal". PRI supplies the uppers to the military and rebuilds them when they get returned all beat to hell. They are the sole source contractor for the forearms & gas block/sights, and the distributor for the ARMS SWAN rail. They build on Douglas barrels. I haven't figured out yet whether they're sourcing the Ops mount from Ops, or if they're the ones actually making the mounts for Ops.

If you're wanting a Mod 0, their's is about a "real" as you can get without one that "fell off a truck".


Thank you for the feedback... I have been a PRI loyal customer since day one of using their products. I will be placing an order in 4 months for a MK12 mod 0 upper to go on my colt lower.
Link Posted: 2/6/2011 4:11:07 AM EDT
[#43]
Originally Posted By KrazyL:
in order for it to be eligible for this thread does one  need to have an exact mod 0 or mod 1 clone? i only ask because I just swapped m pri tube on my mod 0 for a troy rail i had sitting around... i guess now it is just an spr?


Nah, if the Mk12 inspired your build, I say you're qualified to post here.  Stocks and optics are completely up to the operator so post up if you think it belongs in this thread.  I won't have the correct optics for a proper Mk12 but since this is my thread, I'll be posting it here.
Link Posted: 2/6/2011 10:52:59 AM EDT
[#44]
Okay concerning the Mod 0 from PRI.  It the front flip up sight not the one issued on the original Mod 0's?  I thought i read in the old thread that PRI discontinued it and thuis makes it more sought after?  Can someone confirm this?
thanks
Link Posted: 2/6/2011 11:41:12 AM EDT
[#45]
Originally Posted By srtsam:
Okay concerning the Mod 0 from PRI.  It the front flip up sight not the one issued on the original Mod 0's?  I thought i read in the old thread that PRI discontinued it and thuis makes it more sought after?  Can someone confirm this?
thanks


Yes.  The original PRI sight, with the adjustment wheel, supposedly violated some foreign patent and they did away with the adjustment wheel.  This happened early on.  There are Mod0's without the "wheeled" sight too.

Check out the top half of the first page of this thread for pics of the non-wheeled sight on Mod0.

My early "wheeled" sight........




Link Posted: 2/6/2011 5:58:43 PM EDT
[Last Edit: RifleTwo] [#46]
Why do some of the Ops collars dang near touch the front of the PRI sight, and some don't? Is there that much difference between barrels, where the shoulder for the collar is machined?Or is it something else? Example: Collar, front sight, muzzle brake spacing on Engineer5's rifle vs. StretchMaK's rifle.
Link Posted: 2/6/2011 6:51:10 PM EDT
[#47]
Originally Posted By Engineer5:
My early "wheeled" sight........
http://img.photobucket.com/albums/v456/Engineer23/MK%2012%20Mod%200/MK12MOD0012.jpg





Sweet!  I have never even seen a wheeled front sight, much less had the opportunity to purchase one!

There is a lengthy discussion about the front sights in the first MK12 thread, pretty hard to get one of the original spec ones wheel or not, anymore.
Link Posted: 2/6/2011 7:37:05 PM EDT
[#48]
Originally Posted By RifleTwo:
Why do some of the Ops collars dang near touch the front of the PRI sight, and some don't? Is there that much difference between barrels, where the shoulder for the collar is machined?Or is it something else? Example: Collar, front sight, muzzle brake spacing on Engineer5's rifle vs. StretchMaK's rifle.


The size of the PRI sights changed, so then later the size of the mounts changed.  So now there are various combinations of olders and newer PRI bases and lengths of mounts.
Link Posted: 2/6/2011 7:52:37 PM EDT
[#49]
Originally Posted By Postal0311:
Originally Posted By RifleTwo:
Why do some of the Ops collars dang near touch the front of the PRI sight, and some don't? Is there that much difference between barrels, where the shoulder for the collar is machined?Or is it something else? Example: Collar, front sight, muzzle brake spacing on Engineer5's rifle vs. StretchMaK's rifle.


The size of the PRI sights changed, so then later the size of the mounts changed.  So now there are various combinations of olders and newer PRI bases and lengths of mounts.


Gottcha. My collar looks longer than most, hope it will work with the FSB I ordered
Link Posted: 2/7/2011 3:29:07 AM EDT
[#50]
Originally Posted By KrazyL:
in order for it to be eligible for this thread does one  need to have an exact mod 0 or mod 1 clone? i only ask because I just swapped m pri tube on my mod 0 for a troy rail i had sitting around... i guess now it is just an spr?


This was one of the criticisms of the old thread.  Too many purists/snotty attitude.  My personal view IS more of a "purist" sort.  My understanding is that if your build is not "pretty darn close" to a spec build, then it would be better served posting it in this thread.  It is for more "liberal interpretations" of the SPR concept.  Some very fine rifles posted there by the way.  This thread is more for Mk12s.
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