User Panel
Posted: 1/7/2018 11:35:39 AM EDT
[Last Edit: pezboytate]
United States Army Special Operations Command (USASOC) Upper Receiver Group, Improved (URG-I) and Naval Special Warfare (NSW) Upper Receiver Group, Improved (URG-I)
This thread is for pictures of and discussion about issued URG-Is and clones. That doesn't include "inspired by" rifles, "my take on an URG-I" rifles, Geissele Duty rifles, Geissele Super Duty rifles, or anything else. Please post those pictures here, here, or here. Parts list for issued USASOC URG-I and NSW URG-I rifles: Lower Receiver Group lower receiver- M4A1 receiver extension- standard M4/M4A1 action spring- standard M4/M4A1 buffer- H2 grip- standard M16A2/M16A3/M16A4/M4/M4A1 stock- Type I, Type IIA, Type IIB, Gen 1 SOPMOD trigger- Geissele SSF- P/N 05-102 selector- Colt/Manufacturing Support Industries full auto ambi- P/N SP401017 USASOC 14.5" Upper Receiver Group, Improved- from conversion kit NSN 1005-01-671-3911 upper receiver- standard M4/M4A1 bolt carrier group- standard M16A4/M4/M4A1 charging handle- Geissele Airborne Charging Handle in Desert Dirt Color with subdued markings- P/N 05-664S- NSN 1005-01-672-4803 barrel- Daniel Defense 14.5" mid length "GOV" profile with .076" gas port- P/N 07-077-07308 gas block- Daniel Defense pinned gas block which only comes on their rifles and URGs or barrel assemblies. Not available separately. gas tube- Daniel Defense mid length- P/N 04-013-18034 hand guard- Geissele 13.5" MK16 in Desert Dirt Color- P/N 05-650S- NSN 1005-01-672-4794 (MK16s with no markings, laser P/N markings, and stamped NSN markings have all been seen in pictures) M-LOK rail section- 3 ea Magpul 7 slot aluminum- P/N MAG582-BLK M-LOK sling mount- Magpul QD- P/N MAG606-BLK muzzle device- SureFire 4 prong flash hider- P/N FH556RC suppressor- SureFire SOCOM in Dark Earth- P/N SOCOM556-RC rear BUIS- Matech front BUIS- Knight's Armament Front Flip Sight in Taupe P/N 99051 NSW 14.5" Upper Receiver Group, Improved- from conversion kit NSN 1005-01-671-3911 upper receiver- standard M4/M4A1 bolt carrier group- standard M16A4/M4/M4A1 charging handle- Geissele Airborne Charging Handle in Desert Dirt Color with subdued markings- P/N 05-664S- NSN 1005-01-672-4803 barrel- Daniel Defense 14.5" mid length "GOV" profile with .076" gas port- P/N 07-077-07308 gas block- Daniel Defense pinned gas block which only comes on their rifles and URGs or barrel assemblies. Not available separately. gas tube- Daniel Defense mid length- P/N 04-013-18034 hand guard- Geissele 13.5" MK16 in Desert Dirt Color- P/N 05-650S- NSN 1005-01-672-4794 (MK16s with no markings, laser P/N markings, and stamped NSN markings have all been seen in pictures) M-LOK rail section- 2 ea Magpul 7 slot aluminum- P/N MAG582-BLK M-LOK light switch mount- Magpul Tape Switch Mountig Plate- P/N MAG631 M-LOK rail covers- 2 sets Geissele Rail Panel, Desert Dirt Color- P/N 04-428S M-LOK sling mount- Magpul Paraclip- P/N MAG607-BLK muzzle device- SureFire 4 prong flash hider- P/N FH556RC suppressor- SureFire SOCOM in Dark Earth- P/N SOCOM556-RC rear BUIS- Matech front BUIS- Knight's Armament Front Flip Sight in Taupe P/N 99051 USASOC 11.5" Upper Receiver Group, Improved- from conversion kit NSN 1005-01-684-1906 upper receiver- standard M4/M4A1 bolt carrier group- standard M16A4/M4/M4A1 charging handle- Geissele Airborne Charging Handle in Desert Dirt Color with subdued markings- P/N 05-664S- NSN 1005-01-672-4803 barrel- Daniel Defense 11.5" "GOV" profile- P/N 07-077-07108 gas block- Daniel Defense pinned gas block which only comes on their rifles and URGs or barrel assemblies. Not available separately. gas tube- Daniel Defense carbine length- P/N 04-013-01009 hand guard- Geissele 10.5" MK16 in Desert Dirt Color- P/N 05-1073S M-LOK rail section- 3 ea Magpul 7 slot aluminum- P/N MAG582-BLK sling mount- Magpul QD- P/N MAG606-BLK muzzle device- SureFire 4 prong flash hider- P/N FH556RC suppressor- SureFire SOCOM in Dark Earth- P/N SOCOM556-RC rear BUIS- Matech front BUIS- Knight's Armament Front Flip Sight in Taupe NSW 11.5" Upper Receiver Group, Improved- from conversion kit NSN 1005-01-671-3911 upper receiver- standard M4/M4A1 bolt carrier group- standard M16A4/M4/M4A1 charging handle- Geissele Airborne Charging Handle in Desert Dirt Color with subdued markings- P/N 05-664S- NSN 1005-01-672-4803 barrel- Daniel Defense 11.5" "GOV" profile- P/N 07-077-07108 gas block- Daniel Defense pinned gas block which only comes on their rifles and URGs or barrel assemblies. Not available separately. gas tube- Daniel Defense carbine length- P/N 04-013-01009 handguard- Geissele 10.5" Mk16 in Desert Dirt Color- P/N 05-1073S M-LOK rail section- 2 ea Magpul 7 slot aluminum- P/N MAG582-BLK M-LOK light switch mount- Magpul Tape Switch Mountig Plate- P/N MAG631 M-LOK rail covers- 2 sets Geissele Rail Panel, Desert Dirt Color- P/N 04-428S M-LOK sling mount- Magpul Paraclip- P/N MAG607-BLK muzzle device- SureFire 4 prong flash hider- P/N FH556RC suppressor- SureFire SOCOM in Dark Earth- P/N SOCOM556-RC rear BUIS- Matech front BUIS- Knight's Armament Front Flip Sight in Taupe P/N 99051 10.3" Upper Receiver Group, Improved NOT issued Specs: 13.5" Mk16 mass- 419 g / 14.8 oz 14.5" barrel mass- 723g / 1 lb 8.1 oz 14.5" URG-I mass- 1.89kg / 4 lb 3 oz (14.5" RIS II URG with Govt profile barrel and same muzzle device is 2.00kg / 4 lb 7 oz) 10.5" Mk16 mass- 353 g / 12.5 oz 11.5" barrel mass - 620g / 1 lb 5.9 oz 11.5" barrel with gas block mass- 581g / 1 lb 4.5 oz 11.5" URG-I mass- 1.72kg / 3 lb 13 oz (10.3" RIS II URG with Govt profile barrel and same muzzle device is 1.71kg / 3 lb 12 oz) 9.3" Mk16 (not issued, only included for reference) mass- 335 g / 11.8 oz 10.3" barrel (not issued, only included for reference) mass - 525 g / 1 lb 2.5 oz 10.3" barrel with gas block (not issued, only included for reference) mass- 563 g / 1 lb 3.9 oz 10.3" URG-I (not issued, only included for reference) mass- 1.64kg / 3 lb 10 oz (10.3" RIS II URG with Govt profile barrel and same muzzle device is 1.71kg / 3 lb 12 oz) Known upper receivers used on issued 14.5" URG-Is: Attached File Attached File Attached File Attached File Attached File Attached File Attached File Attached File Attached File Attached File Attached File Known BCGs used in 14.5" URG-Is: Attached File 14.5" URG-I gas blocks: Attached File Attached File If you have any pictures that show issued upper receiver or BCG markings, please post them. If you have any pictures of gas blocks on post testing issued URG-Is that are different, please post them. |
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Originally Posted By oneofus: https://i.postimg.cc/MTVxNfrk/urgi.png Any idea the offset mount hes using on the aimpoint? absolutely love this build View Quote This is what was provided with the T1. Since mounted to scope body, I would say the Aimpoint mount. Attached File CD |
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De Oppresso Liber
Iraq: 91,03,04,05,06,08,09,15&16' Afghanistan: 09,10,11',14',17',18',19',20'&21' |
It looks like the sight is mounted to the front handguard going off of sight alignment. My guess would be either Arisaka or KAC offset
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De Oppresso Liber
Iraq: 91,03,04,05,06,08,09,15&16' Afghanistan: 09,10,11',14',17',18',19',20'&21' |
Originally Posted By Combat_Diver: Then the ARMS #31 mount pictured above also (top right, manual bottom left). Again this is in the system. CD View Quote View All Quotes View All Quotes Originally Posted By Combat_Diver: Originally Posted By TheBrokePilot: It looks like the sight is mounted to the front handguard going off of sight alignment. My guess would be either Arisaka or KAC offset Then the ARMS #31 mount pictured above also (top right, manual bottom left). Again this is in the system. CD CD - I know we've seen pics of Daniel Defense Offset Aimpoint mounts on the Mk17 - are those in the system at all? Or are those like individual or unit purchases? |
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Originally Posted By wayfaerer320: CD - I know we've seen pics of Daniel Defense Offset Aimpoint mounts on the Mk17 - are those in the system at all? Or are those like individual or unit purchases? View Quote Normally I don't see how they get them. Only know if it comes thru us and we have to replace. CD |
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De Oppresso Liber
Iraq: 91,03,04,05,06,08,09,15&16' Afghanistan: 09,10,11',14',17',18',19',20'&21' |
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Originally Posted By Combat_Diver: CAGE coded uppers have been is service for over two years. I've seen FN cage coded but not Colts yet. Haven't gotten any in a while. Remember all URGIs were rebuilt on existing uppers. Units in the states ordered new uppers for builds. So again any uppers that are in the supply chain can be utilized. CD View Quote View All Quotes View All Quotes Originally Posted By Combat_Diver: Originally Posted By pezboytate: Any upper in circulation would be correct. I'm not sure if CAGE marked uppers have been seen in the wild. I have posted pictures of all of the identifiable uppers in the first post. My bet is Geissele will never sell an URG with a DD gas block. CAGE coded uppers have been is service for over two years. I've seen FN cage coded but not Colts yet. Haven't gotten any in a while. Remember all URGIs were rebuilt on existing uppers. Units in the states ordered new uppers for builds. So again any uppers that are in the supply chain can be utilized. CD With the new rail is a barrel swap guaranteed? |
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The URGI w/ the Rhodie painted lower had a colt cage code upper
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IG @bayou_bengal-rifles
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Originally Posted By dempsy1: With the new rail is a barrel swap guaranteed? View Quote Yes, rail comes with a new 14.5” DD mid length gas system barrel. New different gas block, gas tube and Geissele Airborne CH. Reuses upper receiver, BCG and SF 4P FH. Sometimes those will be new too however. As it easier to build a set of 12 new uppers for a ODA then tear down, clean, inspect and then rebuild then gage headspace. Later,tear those down and clean, inspect parts. Whoever planned it didn’t consider a new bolt for the new barrel either. CD |
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De Oppresso Liber
Iraq: 91,03,04,05,06,08,09,15&16' Afghanistan: 09,10,11',14',17',18',19',20'&21' |
We are not citizens, We are suspects.
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For those looking for NSN marked rails, I got my blem MK16 in today and it's not NSN marked. Just my luck!
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What we do in life echoes in eternity.
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That sucks. The 13.5 I received last week was NSN roll marked. The 10.5 I got this week was not.
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So they are not using the 9.3 URG rails? Does this mean they are phasing out the 10.3 barrels to the 11.5?
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Originally Posted By huey_crew_chief: So they are not using the 9.3 URG rails? Does this mean they are phasing out the 10.3 barrels to the 11.5? View Quote Right now, 10.3" RIS II URGs are still being used by USASOC. They probably tested the 10.3" URG-I and there were probably COTS purchases of them, but it is not going to be issued in quantity to USASOC. The 11.5" URG-I is supposed to be issued to USASOC soon. |
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Originally Posted By pezboytate: Right now, 10.3" RIS II URGs are still being used by USASOC. They probably tested the 10.3" URG-I and there were probably COTS purchases of them, but it is not going to be issued in quantity to USASOC. The 11.5" URG-I is supposed to be issued to USASOC soon. View Quote I wonder what their reasoning was for going with the 11.5” verses the 10.3”? I know we are talking about just less than 2”, is there that much mobility loss between the 10.3” and the 11.5”, ot are the gains in barrel length worth the slight loss in mobility? I was always under the impression the 10.3” was a naval request for ship operations? Hell I may be completely wrong? |
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How much crack did you have to smoke to reach that conclusion, a $20 rock or Whitney Houston level shit?
”Guitargod1985” |
Originally Posted By mstennes: I wonder what their reasoning was for going with the 11.5” verses the 10.3”? I know we are talking about just less than 2”, is there that much mobility loss between the 10.3” and the 11.5”, ot are the gains in barrel length worth the slight loss in mobility? I was always under the impression the 10.3” was a naval request for ship operations? Hell I may be completely wrong? View Quote We talked about this a few pages ago I believe. I don't know. Reliability and ballistics hasn't been a problem with the 10.3"s so I doubt that's it. I guess it's a good thing that you get 1.2" more rail space with the 11.5". The only thing I don't understand is why would they have both he 14.5" and 11.5" when they are only 3" different. |
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Originally Posted By pezboytate: We talked about this a few pages ago I believe. I don't know. Reliability and ballistics hasn't been a problem with the 10.3"s so I doubt that's it. I guess it's a good thing that you get 1.2" more rail space with the 11.5". The only thing I don't understand is why would they have both he 14.5" and 11.5" when they are only 3" different. View Quote Yea I asked this question and some guys attacked me |
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Originally Posted By UndrGrndPrdcts: Yea I asked this question and some guys attacked me View Quote View All Quotes View All Quotes Originally Posted By UndrGrndPrdcts: Originally Posted By pezboytate: We talked about this a few pages ago I believe. I don't know. Reliability and ballistics hasn't been a problem with the 10.3"s so I doubt that's it. I guess it's a good thing that you get 1.2" more rail space with the 11.5". The only thing I don't understand is why would they have both he 14.5" and 11.5" when they are only 3" different. Yea I asked this question and some guys attacked me I guess we'll just have to see what happens but one length for everyone would make a lot more sense than stocking both an 11.5" and 14.5". People could argue all day what that length would be (12.5" is the correct answer), but I don't think it really matters much. |
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Originally Posted By mstennes: I wonder what their reasoning was for going with the 11.5” verses the 10.3”? I know we are talking about just less than 2”, is there that much mobility loss between the 10.3” and the 11.5”, ot are the gains in barrel length worth the slight loss in mobility? I was always under the impression the 10.3” was a naval request for ship operations? Hell I may be completely wrong? View Quote It's likely the same reason that KAC, BCM, etc all transitioned to 11.5" barrels. An 11.5" carbine is only about 4% longer than a 10.3" carbine. However that additional barrel length yields an ~40% increase in dwell time. This translates into less overgassing, increased component service life, and a more reliable weapon. Regarding all the comments about 11.5" vs 14.5", I don't think the velocity difference is insignificant. There were some folks making outrageous claims that 14.5" only offered like 30+ FPS over a 11.5", which is just flat out false. In a real-world application, extending effective range by another 150 meters (just spit balling) isn't insignificant. |
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On ne voit bien qu'avec le cœur. L'essentiel est invisible pour les yeux.
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Originally Posted By SMFdarkangel: It's likely the same reason that KAC, BCM, etc all transitioned to 11.5" barrels. An 11.5" carbine is only about 4% longer than a 10.3" carbine. However that additional barrel length yields an ~40% increase in dwell time. This translates into less overgassing, increased component service life, and a more reliable weapon. Regarding all the comments about 11.5" vs 14.5", I don't think the velocity difference is insignificant. There were some folks making outrageous claims that 14.5" only offered like 30+ FPS over a 11.5", which is just flat out false. In a real-world application, extending effective range by another 150 meters (just spit balling) isn't insignificant. View Quote Significant enough (velocity and size) to justify having both an 11.5" and 14.5" in inventory? Barrel, rail, and gas tube are all different. |
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Originally Posted By SMFdarkangel: It's likely the same reason that KAC, BCM, etc all transitioned to 11.5" barrels. An 11.5" carbine is only about 4% longer than a 10.3" carbine. However that additional barrel length yields an ~40% increase in dwell time. This translates into less overgassing, increased component service life, and a more reliable weapon. Regarding all the comments about 11.5" vs 14.5", I don't think the velocity difference is insignificant. There were some folks making outrageous claims that 14.5" only offered like 30+ FPS over a 11.5", which is just flat out false. In a real-world application, extending effective range by another 150 meters (just spit balling) isn't insignificant. View Quote I would be interested in seeing how this works out with different loads. Someone should do some chrono work with both barrel lengths. I have 5.56 barrels both 11.5 and 14.5, but I dont have a chronograph or relevant loads on hand. |
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Quit watching the f****** news. That s**** toxic. Your life will get better if you quit watching the f****** news. - Shawn Ryan
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Suppressed SBR Velocity Tests
That thread has some interesting data, 14.5" and 11.5" barrels are featured in the respective data sets. |
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Originally Posted By nate_the_great: Suppressed SBR Velocity Tests That thread has some interesting data, 14.5" and 11.5" barrels are featured in the respective data sets. View Quote Some UN-suppressed UN-scientific numbers for you with Mk.262, Mk.318, and M193 (shooter n=1, my stuff, my chrono) 11.5" 2484 2723 2825 14.5" 2620 2973 3103 Have fun. :) |
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Originally Posted By Dyzastr:
Heads up for any TX resident looking to score a surefire RC. Saw one posted in the NFA section of the EE. No connection to seller. Just wanted to put that out there. |
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What mounts are we seeing with Razor 1-6s other than Geissele? Any Badger C1s?
ETA: In the wild, I mean. |
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What we do in life echoes in eternity.
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IG @bayou_bengal-rifles
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Originally Posted By Badger52: Of course not, sir. The 14.5 is a BA mid-length performance series, the 11.5 is a PSA upper. Numbers are just offered because someone seemed curious about diifferences in the 3". View Quote I would be in a similar situation with barrels. 14.5 is a Geissele and 11.5 is a PSA. I will put a Geissele complete 11.5 SD upper on the short gun if they ever make them again (or a Geissele 11.5" URGI near-clone if that somehow happens first). I do appreciate the numbers provided. I was really curious about MK262 and M855A1. The M855A1 is probably most relevant to this discussion, so we will just have to wait for that. I'm also curious about Frontier 75 gr. HPBT, but thats more for personal reasons. |
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Quit watching the f****** news. That s**** toxic. Your life will get better if you quit watching the f****** news. - Shawn Ryan
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Originally Posted By WTFShane: Does the 10.5 inch MK16 rail have a NSN? View Quote View All Quotes View All Quotes Originally Posted By WTFShane: Originally Posted By RobNC: That sucks. The 13.5 I received last week was NSN roll marked. The 10.5 I got this week was not. Does the 10.5 inch MK16 rail have a NSN? Mine is completely unmarked except for the slot numbers on the Picatinny rail. Not even a Geissele marking. |
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The finest opportunity ever given to the world was thrown away because the passion for equality made vain the hope for freedom.
-Lord Acton |
Originally Posted By 03CR: For those looking for NSN marked rails, I got my blem MK16 in today and it's not NSN marked. Just my luck! View Quote BTW: WhatPriceGlory.com has the Rhodesian Combat Shirts for $45 Attached File |
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1995 M1025A2 5SFG GMV ODA525 "Hammerhead"
1995 M1025A2 3SFG GMV ODA391 "Roughnecks" 1994 M1025A1 7SFG GMV Alwahsh al'Akhdar |
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The 13.5 I got last week was NSN marked. I was actually surprised.
It was not a blemula but does have a streak. |
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Check out my podcast, ‘Great America’ at greatamericapodcast.com
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So I decided to take my chances and also order a non blem. It arrived today and is NSN marked.
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What we do in life echoes in eternity.
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Originally Posted By FREEFALLE7: Rails in stock if you need one. https://www.brownells.com/rifle-parts/forend-amp-handguard-parts/handguards-amp-rails/ar-15-mk16-13-5-super-modular-rail-m-lok-ddc-sku100041113-137889-251305.aspx View Quote Thanks for the heads up! |
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Anyone have a lead on the correct spec DD barrel?
I gather they're difficult to find and sell out fast - any online retailers preferred? |
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Just need another NSN marked ACH. Are they being restocked at all? Haven’t had a need for one, but building a 11.5 URGI & it’s the finishing touch.
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instagram.com/circakraft
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Anyone got a line on proper stripped colt uppers? Last piece I need.
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Originally Posted By Conner378: https://www.ar15.com/media/mediaFiles/448813/40507D4F-EF1A-42FA-8449-E327481D50A1_jpe-1869950.JPGhttps://www.ar15.com/media/mediaFiles/448813/7C0501CB-D560-4A05-802F-DA1FBB59F236_jpe-1869951.JPGhttps://www.ar15.com/media/mediaFiles/448813/910D95A8-1E34-4933-928D-74B7AC820446_jpe-1869952.JPGhttps://www.ar15.com/media/mediaFiles/448813/751DAED2-DF7C-421A-B7E8-D6AB6E127216_jpe-1869953.JPG View Quote I don't understand why someone would mount an optic on their rail? Never going to convince me that it is a good idea. |
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Check out my podcast, ‘Great America’ at greatamericapodcast.com
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I ordered a blem Sunday, order is still processing I may contact G if it doesn’t update after today
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What we do in life echoes in eternity.
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