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2/19/2025 9:28:32 AM EDT
Need help identifying what rail this?
2/19/2025 9:50:16 AM EDT
[Last Edit: SSeric02][Edited] [#1]
Appears to be a Knight's URX II.

ETA: And now that I'm on a computer with a bigger screen, it's been coated tan. That's why you can't see the manufacturer or model info. KAC did make some, maybe pre-production, in a bronze anodized color though.



2/19/2025 11:19:58 AM EDT
[#2]
URX II Carbine Forend Assy  P/N 25124
nothing is absolute
2/19/2025 11:30:11 AM EDT
[Last Edit: SSeric02][Edited] [#3]
Quote History
Originally Posted By themissinglink:
URX II Carbine Forend Assy  P/N 25124
View Quote

Yeah, it is the slightly longer version.

2/19/2025 2:21:27 PM EDT
[#4]
Quote History
Originally Posted By SSeric02:
Appears to be a Knight's URX II.

ETA: And now that I'm on a computer with a bigger screen, it's been coated tan. That's why you can't see the manufacturer or model info. KAC did make some, maybe pre-production, in a bronze anodized color though.

https://i.imgur.com/5xNN2gp.jpg

View Quote


Never seen that version thanks for sharing that.
2/22/2025 9:18:52 AM EDT
[#5]
You have some really rare screws there as well. Use either a 1/8" hex Allen or a flat blade driver.
2/22/2025 10:11:16 AM EDT
[#6]
Sorry, for clarification, the bronze URX II isn't mine, that's a photo posted long ago by SMGLee IIRC.  

The second photo of the new 25124 is mine though. Still trying to decide what Im going to do with it.
2/22/2025 10:44:49 AM EDT
[#7]
Quote History
Originally Posted By SSeric02:
Sorry, for clarification, the bronze URX II isn't mine, that's a photo posted long ago by SMGLee IIRC.  

The second photo of the new 25124 is mine though. Still trying to decide what Im going to do with it.
View Quote

A free-floated version of the Air Crew Weapon
Donald Trump is President, January 20, 2025. America's path forward will be epic.
2/22/2025 10:47:11 AM EDT
[Last Edit: WUPHF][Edited] [#8]
Quote History
Originally Posted By TigerHawk:


Never seen that version thanks for sharing that.
View Quote View All Quotes
View All Quotes
Quote History
Originally Posted By TigerHawk:
Originally Posted By SSeric02:
Appears to be a Knight's URX II.

ETA: And now that I'm on a computer with a bigger screen, it's been coated tan. That's why you can't see the manufacturer or model info. KAC did make some, maybe pre-production, in a bronze anodized color though.

https://i.imgur.com/5xNN2gp.jpg



Never seen that version thanks for sharing that.


Think that one was part of the RAS II competition for the SOPMOD program way back in the late 2000s. (DD eventually won and became the RIS II).

ETA:  Looks like it.  https://www.ar15.com/forums/ar-15/-ARCHIVED-THREAD----Comparo-------SOPMOD-RAS-II-entries----Pics/12-285466/?page=1
2/22/2025 12:23:15 PM EDT
[#9]
Quote History
Originally Posted By M4ger:

A free-floated version of the Air Crew Weapon
View Quote

Ha! I was thinking something basic like on a Colt 6921 upper, or maybe a pseudo Mk18 build.
2/22/2025 12:35:57 PM EDT
[#10]
Quote History
Originally Posted By WUPHF:


Think that one was part of the RAS II competition for the SOPMOD program way back in the late 2000s. (DD eventually won and became the RIS II).

ETA:  Looks like it.  https://www.ar15.com/forums/ar-15/-ARCHIVED-THREAD----Comparo-------SOPMOD-RAS-II-entries----Pics/12-285466/?page=1
View Quote


Thank you. Old threads like that make me really wish the KAC industry forum didn’t get poofed into nothingness.
2/22/2025 6:44:23 PM EDT
[#11]
Quote History
Originally Posted By SSeric02:

Ha! I was thinking something basic like on a Colt 6921 upper, or maybe a pseudo Mk18 build.
View Quote View All Quotes
View All Quotes
Quote History
Originally Posted By SSeric02:
Originally Posted By M4ger:

A free-floated version of the Air Crew Weapon

Ha! I was thinking something basic like on a Colt 6921 upper, or maybe a pseudo Mk18 build.

threads like this make me wish I had never sold my 25124 and actually jumped on the FSGB wagon when Ayan was selling them for $440.
Donald Trump is President, January 20, 2025. America's path forward will be epic.
2/22/2025 8:41:52 PM EDT
[#12]
Quote History
Originally Posted By SSeric02:

Ha! I was thinking something basic like on a Colt 6921 upper, or maybe a pseudo Mk18 build.
View Quote

I was too young (and no money) when those SR16s came out so years later I rolled my own





2nd Battalion 9th Marines Echo Company

3rd Battalion 8th Marines India Company
2/22/2025 8:57:58 PM EDT
[Last Edit: SSeric02][Edited] [#13]
Very nice!

Yeah, I regret not grabbing one or two of the FSGBs back then too.

ETA: My other URX II, a 25125, rides an 11.5" SBR.

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