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Link Posted: 3/11/2015 12:39:16 AM EST
[#1]
If anyone has a su-231 553 for a decent price, please let me know!
Link Posted: 3/11/2015 1:06:22 AM EST
[Last Edit: _LandCruiser_] [#2]
Time delay double.
Link Posted: 3/11/2015 1:07:41 AM EST
[Last Edit: MILSPEC556] [#3]
Not a bump. I promise?

Sdrake, I know of one. IM fastfoot. Tell him I sent ya
Link Posted: 3/11/2015 5:04:38 AM EST
[Last Edit: brodband8] [#4]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Spectre186:



Haha, you guys are a bad influence on my wallet!  My wife is not going to be happy.  Oh well, I sold my bike to my fund my firearms fund!
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Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Spectre186:
Originally Posted By MILSPEC556:
Originally Posted By KILLERB6:
Originally Posted By Spectre186:
Is it bad if I want to make my first AR-15 a block II clone?  I had already decided on a DD M4A1, and I like a lot of the gear I see on the block II.


Bad?

No, it's smart...don't waste time/$ on interim configuration(s):  go straight to BLOCK II.

Amen. Go big or go home. Go all the way or go away. Go the whole nine yards or............get the fuck outta my kitchen?



Haha, you guys are a bad influence on my wallet!  My wife is not going to be happy.  Oh well, I sold my bike to my fund my firearms fund!


I just sold a 2011 zx-10r and bought an la-5/other things.
Link Posted: 3/11/2015 10:16:49 AM EST
[#5]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By sdrake100:
If anyone has a su-231 553 for a decent price, please let me know!
View Quote


I got mine from Genofromreno, now sure if he has anymore but it's worth a hot, he always has all kinds of cool stuff. Good luck,,

Will
Link Posted: 3/11/2015 10:55:11 AM EST
[Last Edit: bjohnson425] [#6]
derp on my end
Link Posted: 3/11/2015 12:21:06 PM EST
[#7]
So I contacted a few of the companies that listed the Surefire 4 prong FH556's NSN, and I'm wondering if it would be possible to jump through the hoops with a qualified individual, company, or entity that might be able to order some in bulk for a group buy? I'm still trying to figure out what all the qualifications are necessary.

Any input would be much appreciated.
Link Posted: 3/11/2015 1:59:24 PM EST
[#8]
This week I inspected a ODA from 20th Group that had the majority of their 14.5" bbls with SF 3 prong FH.  I did take off 3ea KAC QDSS (NT4) and installed the proper SF FMSBC 4 prong FH.  I think they purchased these with unit or State funds before deploying.  The had several suppressors in the Storm cases with the 14.5" and 10.3" uppers.  They also didn't have DD RIS II but Samson railed forearms.  I'll post a picture of them later.  Again these are unit funds and not SOCOM issue.




CD
Link Posted: 3/11/2015 5:44:56 PM EST
[#9]
Is the Tango Down QD Vertical Grip considered kosher? It has an NSN apparently.

https://tangodown.com/shop/tangodown-foregrip-vertical-qd-iti/
Link Posted: 3/11/2015 6:23:28 PM EST
[#10]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By epezent:
Is the Tango Down QD Vertical Grip considered kosher? It has an NSN apparently.

https://tangodown.com/shop/tangodown-foregrip-vertical-qd-iti/
View Quote


Hell yes why not?

The pics I've seen are mostly non QD. I run one so I wouldn't gig you.
Link Posted: 3/11/2015 8:57:48 PM EST
[#11]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By epezent:
Is the Tango Down QD Vertical Grip considered kosher? It has an NSN apparently.

https://tangodown.com/shop/tangodown-foregrip-vertical-qd-iti/
View Quote

Mostly non QD are seen. But I guaran-damn-tee you there are QD'S in the wild too. Go for it.
Link Posted: 3/11/2015 9:41:09 PM EST
[#12]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By sdrake100:
So I contacted a few of the companies that listed the Surefire 4 prong FH556's NSN, and I'm wondering if it would be possible to jump through the hoops with a qualified individual, company, or entity that might be able to order some in bulk for a group buy? I'm still trying to figure out what all the qualifications are necessary.

Any input would be much appreciated.
View Quote


You can try (and they all came up for me when I too was searching for a 4P) but they are typically "just" order houses that specialize in shipping NSN items; no guarantee they can get any/all NSN items.  SF is (I would bet) not going to ship them something that they are supplying the .mil under contract.  Hell, my armorer can't even order them through "the" system since we don't have SF cans.

Notice how they came up with "contact so-and-so at XXX to order" or had fill-in-the-blank order forms pop up?
Link Posted: 3/12/2015 12:06:06 AM EST
[#13]
Are they still seen with the tear drop FA? Can't seem to find a USGI one for a decent price.
Link Posted: 3/12/2015 12:22:13 AM EST
[#14]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By sdrake100:
Are they still seen with the tear drop FA? Can't seem to find a USGI one for a decent price.
View Quote


Some have a teardrop, some have a small round head. Mine has a non-Colt teardrop. I'd just get a good non-colt. Not a Shitty one tho
Link Posted: 3/12/2015 12:36:08 AM EST
[#15]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By sdrake100:
Are they still seen with the tear drop FA? Can't seem to find a USGI one for a decent price.
View Quote


New production M4A1s have the round FA.  I have replaced tear drop FA for round ones on 10.3" URGs.


CD
Link Posted: 3/12/2015 1:19:10 AM EST
[#16]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By sdrake100:
Are they still seen with the tear drop FA? Can't seem to find a USGI one for a decent price.
View Quote


Tear drops are very rare "IRL".
Link Posted: 3/12/2015 1:35:18 AM EST
[Last Edit: MILSPEC556] [#17]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By KILLERB6:


Tear drops are very rare "IRL".
View Quote View All Quotes
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Discussion ForumsJump to Quoted PostQuote History
Originally Posted By KILLERB6:
Originally Posted By sdrake100:
Are they still seen with the tear drop FA? Can't seem to find a USGI one for a decent price.


Tear drops are very rare "IRL".

Not the best way to gauge things but I just went through all of my saved in the wild pics and I found

-Around 50 percent of my 10.3 ITW  pics had teardrops, about half didnt.
-Only about 5-10ish percent of the 14.5's had a teardrop, the rest were small round head.
-And I found a pic of a Ranger with a mk 18 with a large round head FA, as well as a Sailor with a 10.3 mod 0 that had a large round head.

Not the best way to gauge anything, but just thought I'd look for shittles and giggles.

Also need to add that not all of the 14.5's were block II's, so the percentage my be higher, and as a disclaimer this would be a terrible way to gage anything, I was just looking.
Link Posted: 3/12/2015 9:04:40 AM EST
[Last Edit: Spectre186] [#18]
Does anyone know if I need the B5 SOPMOD Buttstock kit, or can I just buy the SOPMOD buttstock all by its lonesome and have everything I need to install it?  Its going to replace the OEM buttstock for a DD M4A1.
Link Posted: 3/12/2015 9:25:43 AM EST
[#19]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Spectre186:
Does anyone know if I need the B5 SOPMOD Buttstock kit, or can I just buy the SOPMOD buttstock all by its lonesome and have everything I need to install it?  Its going to replace the OEM buttstock for a DD M4A1.
View Quote

Replace the buttstock only.
Link Posted: 3/12/2015 9:57:45 AM EST
[#20]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By prskiller:

Replace the buttstock only.
View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By prskiller:
Originally Posted By Spectre186:
Does anyone know if I need the B5 SOPMOD Buttstock kit, or can I just buy the SOPMOD buttstock all by its lonesome and have everything I need to install it?  Its going to replace the OEM buttstock for a DD M4A1.

Replace the buttstock only.


Thanks!
Link Posted: 3/12/2015 10:57:50 AM EST
[Last Edit: wombato] [#21]
Here's what looks like a Magpul MVG in the wild:

Link Posted: 3/12/2015 11:09:37 AM EST
[Last Edit: BOONEA] [#22]
Anyone have a FSP with black Specter DR photo?
Link Posted: 3/12/2015 11:13:50 AM EST
[Last Edit: cmcflex] [#23]
Discussion ForumsJump to Quoted PostQuote History


Sick as fuck, but you got the wrong thread...need Mk18/CQBR thread, where I think they were posted at one time.

That said, I never tire of looking at those.

Also, note the SU-231A with "standard" (i.e., commercial) markings and a IUID sticker on the top of the hood in the second-to-last last pic.
Link Posted: 3/12/2015 12:17:37 PM EST
[#24]
Are there any more optics that are acceptable for block II clones besides the 3 listed and 3 acceptable alternatives that are shown on the first page?  Thanks.
Link Posted: 3/12/2015 12:35:23 PM EST
[#25]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Spectre186:
Are there any more optics that are acceptable for block II clones besides the 3 listed and 3 acceptable alternatives that are shown on the first page?  Thanks.
View Quote


Like what?
Link Posted: 3/12/2015 12:51:25 PM EST
[#26]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By StealthGuy:


Like what?
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Discussion ForumsJump to Quoted PostQuote History
Originally Posted By StealthGuy:
Originally Posted By Spectre186:
Are there any more optics that are acceptable for block II clones besides the 3 listed and 3 acceptable alternatives that are shown on the first page?  Thanks.


Like what?



I've seen a lot of ACOGs on clones.  It also seems like low power variable scopes are starting to see more mil use as well.
Link Posted: 3/12/2015 12:53:44 PM EST
[#27]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Spectre186:



I've seen a lot of ACOGs on clones.  It also seems like low power variable scopes are starting to see more mil use as well.
View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Spectre186:
Originally Posted By StealthGuy:
Originally Posted By Spectre186:
Are there any more optics that are acceptable for block II clones besides the 3 listed and 3 acceptable alternatives that are shown on the first page?  Thanks.


Like what?



I've seen a lot of ACOGs on clones.  It also seems like low power variable scopes are starting to see more mil use as well.


The only one not on the list that I can think of would be the ACOG.
Link Posted: 3/12/2015 1:05:40 PM EST
[#28]

Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Spectre186:


Are there any more optics that are acceptable for block II clones besides the 3 listed and 3 acceptable alternatives that are shown on the first page?  Thanks.
View Quote




 
Leupold CQBSS.




If you want something inexpensive, it's Eotech
Link Posted: 3/12/2015 2:03:36 PM EST
[#29]
Okay, thanks.  I'm planning to use this rifle a lot and also in 3 Gun with some sort of variable scope.  Guess I'll have to get an eotech too to be clone correct, haha.  My poor wallet.
Link Posted: 3/13/2015 12:43:17 PM EST
[#30]
Hey, just wanted to let you guys know there are some BE Meyers 249 F flash suppressors in the EE used upper section. I was planning on picking one of these up, just passing it along.
Link Posted: 3/13/2015 2:47:08 PM EST
[#31]
Some guns belonging to 20th SFGA




As I stated earlier seems they bought their own off the shelf Samson forearms and SF 3 prong FH.

CD
Link Posted: 3/13/2015 3:20:43 PM EST
[#32]
Link Posted: 3/13/2015 5:30:02 PM EST
[#33]
Doesn't matter, in the wild.
Link Posted: 3/13/2015 5:55:33 PM EST
[#34]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By wombato:
Doesn't matter, in the wild.
View Quote



It ain't "in the wild" Until it's attached to a BkII M4A1.
Link Posted: 3/13/2015 7:31:19 PM EST
[Last Edit: JBecker_72] [#35]
Anybody want to trade my FDE RIS II FSP for your regular FDE RIS II?
Link Posted: 3/14/2015 12:34:10 AM EST
[#36]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By coctailer:

Are the Monsters unit level purchases? I would have expected the RC.
View Quote View All Quotes
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Discussion ForumsJump to Quoted PostQuote History
Originally Posted By coctailer:
Originally Posted By Combat_Diver:
Some guns belonging to 20th SFGA
http://www.hunt101.com/data/500/IMG_0363_rz.jpg
http://www.hunt101.com/data/500/IMG_0365_rz.jpg
http://www.hunt101.com/data/500/IMG_0366_rz.jpg

As I stated earlier seems they bought their own off the shelf Samson forearms and SF 3 prong FH.

CD

Are the Monsters unit level purchases? I would have expected the RC.


I do believe the Monsters are unit purchased but don't have confirmation.  They got the Minis last year.  They do have all three.  KAC issued with M4A1, SF SOCOM issued with the URG.




CD
Link Posted: 3/14/2015 1:49:03 AM EST
[#37]
Combat Diver: A question that has always ran through my head when I have attached my RIS II rails that I have never heard asked before, in regards to the listed torque settings on the 6 screws do you actually use a in/lbs torque wrench or do you hand tighten to best guess?
Link Posted: 3/14/2015 3:29:18 AM EST
[Last Edit: Combat_Diver] [#38]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Mb121:
Combat Diver: A question that has always ran through my head when I have attached my RIS II rails that I have never heard asked before, in regards to the listed torque settings on the 6 screws do you actually use a in/lbs torque wrench or do you hand tighten to best guess?
View Quote


If I'm out and about traveling and don't have a torque wrench with me then hand tight.  If I've in the shop then within specs.


H-4. RIS II UPPER RECEIVER AND BARREL ASSEMBLY MAINTENANCE. (CONT.)
c. Reassembly. (cont.)
CAUTION
Do not over-tighten screws. Damage may occur to screw holes. When screws do not tighten and
stop, threads have been damaged and rail component must be replaced. Failure to observe this
caution could result in equipment damage.
NOTE
Tightening six screws in an alternating pattern will maintain alignment when screws are tightened.
(i) Using torque wrench and 5/32-inch Allen head socket, torque six screws in alternating pattern to 30 in-lb.

ref Technical Repair Standard
SOFWEP-07-G12P-00032-00 Rev 1
SW370-CC-TRS-010 Rev 1
pg H-25

CD
Link Posted: 3/15/2015 1:20:25 AM EST
[Last Edit: Mb121] [#39]
Thanks Combat Diver for the answer.

On a related note to the Block II program, Big Army is bringing back the FRAK program with some new additions and the notice is asking for 12" rails and LPGB among other things.  The RIS II sounds like it will meet many or all of the requirements.  Augee you may be interested in this.

https://www.fbo.gov/index?s=opportunity&mode=form&tab=core&id=b3949d1291d55ce72cdc9be45c907fcd

"
b. Improved extended forward rails: The improved extended forward rails shall provide for a MIL-STD-1913 compatible rail that is fixed at the 12 o'clock position, with numbered attachment points. The rail must also provide for the attachment of modular, MIL-STD-1913 enabler(s) attaching capability on the hand guard. The improved extended forward rails shall provide for a hand guard allowing for a free-floated barrel, and for a design/redesign of the under-barrel weapon systems/module interface to use the MIL-STD-1913 compatible rail surface on the hand guard as the attachment point(s), instead of the barrel.

i. Length: The length of the improved extended forward rails shall be twelve (+/- .5 quote mark ) inches.

ii. Mounting surfaces: The improved extended forward rails shall have sufficient removable mounting surfaces of varying lengths (e.g. 3 quote mark , 5 quote mark , 7 quote mark ) to allow selective, simultaneous mounting of standard U.S. military accessories (e.g., lasers, illuminators, slings, bipods, vertical grips/grip-pods, etc.).

iii. Zero Retention: The improved extended forward rails mounting surfaces will allow for zeroed accessories/enablers to retain zero with 90% confidence (excluding optic/enabler malfunctions) no more than 1 Minute of Angle (MOA).

iv. Color: The improved extended forward rails shall provide for reduced visual detection via a neutral (non-black) color and shall be of a rough, dull, non-reflective, coating/finish that retains paint. The color range will be Coyote 498 not lighter than Light Coyote 481, IAW FED-STD-595 #20150 not lighter than #20220; flat dull finish.

v. Protective Materials (coatings): The improved extended forward rails shall be corrosion, abrasion, impact, as well as nuclear, biological, chemical (NBC) contaminants and decontaminants resistant. The improved extended forward rails shall be protected from corrosion in all environments and weather conditions, including marine, high humidity, rain, and desert conditions.

vi. Low Profile Gas Block: The extended forward rails shall include a low profile gas block. The gas block will be compatible with current M4A1 heavy barrel and gas tube. "
Link Posted: 3/15/2015 4:58:17 PM EST
[Last Edit: Roadblock] [#40]



Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Combat_Diver:
If I'm out and about traveling and don't have a torque wrench with me then hand tight.  If I've in the shop then within specs.




H-4. RIS II UPPER RECEIVER AND BARREL ASSEMBLY MAINTENANCE. (CONT.)



c. Reassembly. (cont.)



CAUTION



Do not over-tighten screws. Damage may occur to screw holes. When screws do not tighten and



stop, threads have been damaged and rail component must be replaced. Failure to observe this



caution could result in equipment damage.



NOTE



Tightening six screws in an alternating pattern will maintain alignment when screws are tightened.



(i) Using torque wrench and 5/32-inch Allen head socket, torque six screws in alternating pattern to 30 in-lb.




ref Technical Repair Standard



SOFWEP-07-G12P-00032-00 Rev 1



SW370-CC-TRS-010 Rev 1



pg H-25
CD



View Quote




Do you use something to lock the receiver and rail in place for alignment or are you saying that IF you torque the screws in an alternating pattern, it will just maintain alignment? I feel as thought my rail is not aligned correctly
Can you tell me what the alternating pattern you use is also?



I used a carry handle off a Systema PTW M4-A1 Airsoft rifle, LOL, no seriously... It was the only thing I had to bridge the gap. If you look straight on at the barrel and end of the rail it looks like it's not gaped right, follow what I mean? It's shifted more towards one side than the other but I hand tightened my screws so the torque is probably all out of whack.
 
Link Posted: 3/15/2015 6:23:54 PM EST
[Last Edit: SGL_Shooter] [#41]
In on 1008. I finally caved



DD FSP RIS II is on the way. It's black but it's going to get rattle canned anyway. Eyeing one of those BCM SOCOM uppers to pair it up with.
Link Posted: 3/15/2015 6:58:09 PM EST
[#42]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By SGL_Shooter:
In on 1008. I finally caved



DD FSP RIS II is on the way. It's black but it's going to get rattle canned anyway. Eyeing one of those BCM SOCOM uppers to pair it up with.
View Quote


Dooooooo it.

I've owned two (1.5 and Block II uppers) that are BCM SOCOM uppers, and im glad I did. I just wish they didn't bukkake the letters BCM on the upper, but it's nothing a rattle can won't fix!
Link Posted: 3/15/2015 7:22:05 PM EST
[#43]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By MILSPEC556:


Dooooooo it.

I've owned two (1.5 and Block II uppers) that are BCM SOCOM uppers, and im glad I did. I just wish they didn't bukkake the letters BCM on the upper, but it's nothing a rattle can won't fix!
View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By MILSPEC556:
Originally Posted By SGL_Shooter:
In on 1008. I finally caved



DD FSP RIS II is on the way. It's black but it's going to get rattle canned anyway. Eyeing one of those BCM SOCOM uppers to pair it up with.


Dooooooo it.

I've owned two (1.5 and Block II uppers) that are BCM SOCOM uppers, and im glad I did. I just wish they didn't bukkake the letters BCM on the upper, but it's nothing a rattle can won't fix!


Yeah, the only thing paint won't hide is the BCM logo on the BCG. But I guess I'll live with that. That's what dust covers are for.
Link Posted: 3/15/2015 7:34:24 PM EST
[#44]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By SGL_Shooter:
In on 1008. I finally caved



DD FSP RIS II is on the way. It's black but it's going to get rattle canned anyway. Eyeing one of those BCM SOCOM uppers to pair it up with.
View Quote


I've always liked the way those rails look, even before I got interested in the whole cloning-thing.
Link Posted: 3/15/2015 8:26:31 PM EST
[#45]
Took some of my guns out to a friends place since he got a new sr25. Checked the zero on my stuff. Also shot my fsp upper with no rear sight. I just had to finally shoot it after putting so much into it. No pics of it though.

Link Posted: 3/15/2015 8:33:20 PM EST
[#46]
Nice block II man, I run an ASAP plate on mine as well instead of the CQD
Link Posted: 3/15/2015 8:49:43 PM EST
[#47]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By MILSPEC556:
Nice block II man, I run an ASAP plate on mine as well instead of the CQD
View Quote


Thanks. They won't be strict clones since they're both noveske's so the barrel profiles are wrong, but you can't see it anyways. I'll be getting a t1 for the fsp and maybe an elcan for the other.



Link Posted: 3/15/2015 10:34:41 PM EST
[#48]
It's been going through a lot of changes recently, ditched the CQBSS and put the EXPS/G33 on here and then decided to go with the un-clone worthy TR24,



Link Posted: 3/15/2015 11:25:47 PM EST
[#49]

Discussion ForumsJump to Quoted PostQuote History
Originally Posted By G_MAN:


It's been going through a lot of changes recently, ditched the CQBSS and put the EXPS/G33 on here and then decided to go with the un-clone worthy TR24,



http://img.photobucket.com/albums/v672/SUPA_G_MAN/Firearms/photo_1.jpg



View Quote
Needs more NF.







 
Link Posted: 3/15/2015 11:45:35 PM EST
[#50]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By Mb121:
Thanks Combat Diver for the answer.

On a related note to the Block II program, Big Army is bringing back the FRAK program with some new additions and the notice is asking for 12" rails and LPGB among other things.  The RIS II sounds like it will meet many or all of the requirements.  Augee you may be interested in this.

https://www.fbo.gov/index?s=opportunity&mode=form&tab=core&id=b3949d1291d55ce72cdc9be45c907fcd

"
b. Improved extended forward rails: The improved extended forward rails shall provide for a MIL-STD-1913 compatible rail that is fixed at the 12 o'clock position, with numbered attachment points. The rail must also provide for the attachment of modular, MIL-STD-1913 enabler(s) attaching capability on the hand guard. The improved extended forward rails shall provide for a hand guard allowing for a free-floated barrel, and for a design/redesign of the under-barrel weapon systems/module interface to use the MIL-STD-1913 compatible rail surface on the hand guard as the attachment point(s), instead of the barrel.

i. Length: The length of the improved extended forward rails shall be twelve (+/- .5 quote mark ) inches.

ii. Mounting surfaces: The improved extended forward rails shall have sufficient removable mounting surfaces of varying lengths (e.g. 3 quote mark , 5 quote mark , 7 quote mark ) to allow selective, simultaneous mounting of standard U.S. military accessories (e.g., lasers, illuminators, slings, bipods, vertical grips/grip-pods, etc.).

iii. Zero Retention: The improved extended forward rails mounting surfaces will allow for zeroed accessories/enablers to retain zero with 90% confidence (excluding optic/enabler malfunctions) no more than 1 Minute of Angle (MOA).

iv. Color: The improved extended forward rails shall provide for reduced visual detection via a neutral (non-black) color and shall be of a rough, dull, non-reflective, coating/finish that retains paint. The color range will be Coyote 498 not lighter than Light Coyote 481, IAW FED-STD-595 #20150 not lighter than #20220; flat dull finish.

v. Protective Materials (coatings): The improved extended forward rails shall be corrosion, abrasion, impact, as well as nuclear, biological, chemical (NBC) contaminants and decontaminants resistant. The improved extended forward rails shall be protected from corrosion in all environments and weather conditions, including marine, high humidity, rain, and desert conditions.

vi. Low Profile Gas Block: The extended forward rails shall include a low profile gas block. The gas block will be compatible with current M4A1 heavy barrel and gas tube. "
View Quote


Seems big Army wants to go the way the SOPMOD block II's gone with the exception nothing is mentioned about suppressors.  Flash hinder is still be able to take a BFA.


CD
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