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Posted: 3/23/2013 6:31:55 AM EDT
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I can't make up my mind between two rails. I have both rails already sitting on my workbench waiting. This is for my light weight sbr build. I have a 11.5 inch barrel going on the sbr. I am building the sbr for my innovative arms suppressor.
The first rail and currently the one I am leaning towards is the centurion arms c4 9 inch rail. Weight 10.07 oz. It seems to have a better way of mounting to the barrel nut. I have a new core 15 barrel nut I could use with it. This rail adds more mounting options. 
The other choice is the troy alpha rail 9 inch. The only weight I can find online is 20oz with the optional rails. That seems high for a light weight rail. The rail itself seems about the same weight as the centurion. I like the idea of the squid grips and the rail feels decent when I grip it. I do not like the way this rail mounts to the stock barrel nut. And I can't use the new core 15 barrel nut I have because it mounts using the little lip on the barrel nut and the core15 does not have this. 
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Quoted:
The C4 all day. Its tough to beat a light weight quad rail that looks up as solid as that (Larue, and DD quality IMO) And its a badass looking rail  FPNI. You really are looking at two entirely different rail types but I would totally go with the C4. I've had 4 different DD rails and just got my first C4......I'm hooked. I absolutely love the mounting design to the barrel nut. |
Fucking nice. What length, 10.5"? I like the LW profile, too. Looks like a light bastard. |
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I don't like quad rails for the way they feel, an the limited mounting options. I like Apex This midlength comes in at 9 oz, and clamps on the barrel nut ehe same as the c4.
http://www.rainierarms.com/?page=shop/detail&product_id=2505 |
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