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Page AR-15 » Build It Yourself
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Archived [ARCHIVED THREAD] - M-4 Twist ?
Posted: 1/7/2003 6:55:05 PM EDT
My 20" has a 1/9 twist. Putting together a M-4 now. Looking at CMMG M-4 upper 1/7 twist with comp. attached to 16"...JT has a mock M-4 1/9 twist...question which to go with CMMGINC.com $579.00 JT $300 something. I know you get what you pay for I'm more than likely going to go with the CMMG. Just wanted a little input on Twist.

Link Posted: 1/8/2003 4:46:25 AM EDT
[#1]
The gov went to the 1/7 due to the heavier tracer round. I would stick with the 1/9, best compromise for 55 and 62 gr.

Link Posted: 1/8/2003 7:14:45 AM EDT
[#2]
The CMMG (DPMS) 14.5" barreled uppers also are chrome lined 4150 steel and has the M4 feed ramps. I`m real happy with mine.

Link Posted: 1/8/2003 8:00:41 AM EDT
[#3]
Thanks Mike that's what I was kinda thinking I just wanted some more input. What works better in it 55grn, 62grn or what? How's that brake work?


[sniper2]

Link Posted: 1/8/2003 12:21:57 PM EDT
[#4]
55gr and 62gr work fine as does the phantom flash hider.

Archived [ARCHIVED THREAD] - M-4 Twist ?
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