Product Description
MCS AR-15 10.5" INCH PISTOL UPPER 1:7 5.56 NATO AR-15 FREEFLOAT KEYMOD HANDGUARD
MCS 10.5" AR-15 Carbine Upper Build Kit delivers compact reliability and proven performance for 5.56 NATO platforms.
Featuring 10.5-inch barrel chambered in 5.56 NATO with 1:7 twist rate and phosphate finish for rigorous use, 4150 CrMoV steel barrel construction providing durability and heat resistance, carbine-length gas system optimized for 10.5" barrel length, mil-spec 7075-T6 forged aluminum upper receiver with M4 feed ramps and anodized finish ensuring enhanced feeding reliability and protection, free float Keymod handguard constructed from 6061-T6 aluminum for lightweight accessory mounting, micro low-profile gas block with 0.750-inch diameter providing efficient gas regulation, 1/2x28 threaded muzzle with GI A2 birdcage flash hider—perfect for AR-15 pistol builds, home defense configurations, tactical applications, close-quarters shooting, and compact platforms requiring proven 5.56 NATO performance.
Caliber: 5.56x45mm NATO
Barrel Length: 10.5 inches
Barrel Material: 4150 CrMoV
Barrel Thread Pitch: 1/2x28
Barrel Gas System Length: Carbine
Barrel Finish: Phosphate
Barrel Twist Rate: 1:7
Barrel Profile: Government
Muzzle Device: GI Birdcage Flash Hider
Muzzle Device Thread Pitch: 1/2x28
Muzzle Device Finish: Manganese Phosphate
Upper Receiver Material: 7075-T6 Aluminum
Upper Receiver Finish: Anodized
Upper Receiver: Mil-Spec AR-15 Upper w/ M4 Feedramps
Handguard Material: 6061-T6 Aluminum
Handguard Color: Black
Handguard Style: KeyMod
Gas Block Name: Micro Low-Profile Gas Block
Gas Block Size: 0.750 inches
