Description
Product Description
MCS AR-15 10.5″ INCH PISTOL UPPER 1:7 5.56 NATO FREEFLOAT QUAD-RAIL HANDGUARD
The MCS Upper Build Kit includes a 10.5-inch barrel, upper receiver, and 10-inch free-float quad-rail handguard for AR-15 pistol builds chambered in 5.56 NATO. The barrel features a carbine-length gas system with micro low-profile gas block, and the kit includes a TPI GI A2 birdcage flash hider with 1/2×28 threading.
Caliber: 5.56x45mm NATO
Barrel Length: 10.5 inches
Barrel Material: 4150 CrMoV
Barrel Twist Rate: 1:7
Barrel Finish: Phosphate
Barrel Profile: Government
Barrel Thread Pitch: 1/2×28
Barrel Gas System Length: Carbine
Gas Block: Micro Low-Profile Steel Gas Block
Gas Block Size: 0.750
Handguard Material: 6061-T6 Aluminum
Handguard Style: 10-Inch Free Float Quad Rail
Handguard Color: Black
Muzzle Device: AR-15 TPI GI Birdcage Flash Hider 5.56 .223 A2
Muzzle Thread Pitch: 1/2×28
Upper Receiver: Stripped AR-15 Upper Receiver, M4 Feed ramps
Upper Receiver Material: 7075-T6 Aluminum
Upper Receiver Finish: Anodized
