Full-Auto Integral-Key Bolt Carrier 9.25" Std. Fluted Barrel C.R.O.S., Predator P-4SX Slim Extended Carbine Rail Ladder Rail Covers FTA-2005 Front Site FMCP-A5 Muzzle Device 233 cal / 5.56mm
Barrel: 4150 Mil-B-1159F Vanadium alloy (machine gun rated) 70 Rockwell case hardened heat treated "5R" polygonal barrels are 2 times harder than Mil-Spec & hammer forged barrels Corrosion resistant and 10 times thicker and hardness than Mil-Spec chromed lining “5R” Polygonal right handed 1x8 twist cut button rifled barrels from Rock Creek Barrels, Inc. BC-A5 Muzzle device Chamber: 5.56 mm NATO (.223 Cal.)
Method of Operation: Gas piston operated, rotating bolt (short stroke system) 2-position gas plug for Normal (N) or Suppressed (S) operating modes C.R.O.S.™ (Corrosion Resistant Operating System) Chrome plated: Barrel, Gas block/tube (billet machined), Gas plug (billet machined), Gas piston (billet machined), Bolt carrier assembly (one-piece billet machined), Silicone Nickel plated A3 Flattop upper receiver and charging handle
Bolt & Carrier: Nickel Teflon plated 8620 Integral keyed steel bolt carrier (billet machined), heat treated/plated per Mil-Spec Chrome plated bolt, heat treated to Mil-Spec
Maximum order Qty: 1
