Product Description
MCS AR.15 10.5" INCH PISTOL UPPER 1:7 5.56 NATO FREEFLOAT KEYMOD HANDGUARD
The MCS 10.5 inch upper build kit delivers a compact 5.56 NATO setup built around a 10.5 inch government profile barrel with 1:7 twist and carbine length gas system. The ATLAS 10 inch Keymod handguard provides modular mounting surfaces while maintaining a lightweight profile. This upper build kit includes the upper assembly with barrel and handguard.
Caliber: 5.56x45mm NATO
Barrel: 10.5" (Phosphate) Carbine gas (M4) 5.56 (1:7)
Barrel Length: 10.5-inch
Barrel Twist Rate: 1:7
Barrel Material: 4150 CrMoV
Barrel Finish: Phosphate
Barrel Thread Pitch: 1/2x28
Barrel Profile: Government
Barrel Gas System Length: Carbine
Gas Block: Micro Low-Profile Gas Block, .750 O.D Barrel Steel
Gas Block Size: 0.750
Upper Receiver: AR-15 Upper Receiver, M4 Feed ramps, 7075 T6 Aluminum, Anodized
Upper Receiver Material: 7075-T6 Aluminum
Upper Receiver Finish: Anodized
Handguard: ATLAS 10-inch KeyMod Rail Ultra Super Slim Handguard
Handguard Material: Aluminum
Handguard Color: Black
Handguard Style: Keymod
Muzzle Device: AR-15 1/2x28 TPI GI Birdcage Flash Hider 5.56 .223 A2
Muzzle Thread Pitch: 1/2x28
