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4/20/2014 6:02:36 PM EDT
I'm in the process of building an AR-10 rifle and here is what I have so far

- Barrel: Noveske 16.5", 7.62 Heavy Barrel, Carbine Length Gas System
- Upper: Armalite AR-10 Upper Assembly
- Rail: Wilson Combat TRIM Rail, Armalite, 14"
- BCG: Armalite AR10 BCG w/ Forward Assist
- Lower: Armalite AR10 Lower (B Pattern)

I have a few questions

1. Since the Noveske barrel does not come with a gas tube, I'm unsure of which carbine gas tube to purchase?
 - Carbine tube: 9 7/8" long
 - Carbine tube shorty: 9 3/4" long

2. I would like to use the Magpul UBR butt stock on my build. Is this the correct buffer and spring to get?
 - .308 Carbine Buffer
 - AR-10 Buffer Spring

Apologies in advance if this has been covered. I did some searches and had a difficult time getting an answer to these questions.

4/20/2014 11:24:49 PM EDT
[#1]
This spring should work for you. Its the one I currently use with the buffer you listed.
Or you could go to the EE and buy a spring and buffer from Slash.
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