Combat Armory AR-15 .556 - 7.5" LENGTH 1:7 TWIST W/ 7" Full Pic M-LOK HANDGUARD NO Assembly Required With BCG and Charging Handle

Combat Armory AR-15 5.56mm 7.5" LENGTH 1:7 TWIST W/ 7" SLIM M-LOK HAND-GUARD Combat Armory machinist take pride in delivering the very best for our customers used by Military, Police, and Firearms enthusiasts NO Assembly Required Barrel Length: 7.5" Gas System: Pistol Length Barrel Profile: Medium Barrel Material: 4140 ChroMoly Barrel Finish: Melonite Muzzle Thread: 1/2x28 Chamber: 5.56mm Twist Rate: 1:7 Barrel Extension: M4 Feed Ramp Gas Block Type: .750 Low-profile Gas Block Muzzle Device: A2 Flash Upper Receiver Material: Billet 7075 T6 Upper Receiver Style: M4 Mil-Std Upper Receiver Finish: Type III Anodizing Forward Assist: Yes Dust Cover: Yes Handguard Type: Free Float Handguard Style: M-Lok Thin Rail Handguard Length: 7 " With BCG & Charging Handle