300 Blackout Nitride Coated 1:7 twist 16" Threaded Barrel w/ Muzzle Break Free Float Quad Rail - $499
|Submitted by custombuiltarms.com on Mon, 2013-11-18 20:38|
16" 4150 CMV Nitride Coated Heavy Barrel Barrel Mil Spec 1:7 Twist. Hardened to 26-32 rc and stress relieved. Chambered in 300 blackout. Button rifled. .750 under gas block. Straight fluted. 5/8-24 threads muzzle brake and crush washer. M4 feedramps
A3 flat top upper receiver - made from certified 7075-t6 aluminum forgings. Black hardcoat anodized and teflon coated to gov. specs. Proper white "t-marks" on rails. Forward assist and dust cover installed.
Single top rail gas block made from aircraft quality aluminum and black hardcoat anodized. Carbine length.
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