Product Description
MCS AR-15 .300 BLACKOUT 6-INCH PISTOL UPPER 1:7 FREEFLOAT M-LOK HANDGUARD
Designed for AR-15 enthusiasts seeking an efficient and compact upper solution, this MCS .300 Blackout pistol upper build kit delivers reliable performance in a highly maneuverable package. Chambered in .300 Blackout, this gas-operated upper features a 6-inch nitride-finished steel barrel with a 1:7 twist rate, ensuring optimal stability and performance across a wide range of ammunition options from lightweight supersonic to heavy subsonic loads. The 7075-T6 aluminum upper receiver with anodized finish provides added strength and longevity, featuring M4 feed ramps for reliable feeding with various bullet profiles. A micro low-profile gas block complements the pistol-length gas system for efficient operation, while the freefloat M-Lok handguard crafted from 6061-T6 aluminum offers versatile accessory attachment options. Threaded 5/8x24 for muzzle device compatibility, this upper build kit provides all upper components needed for a custom build experience with standard AR-15 lowers.
Caliber: .300 Blackout
Barrel: 6" .300 Blackout Pistol Barrel - 1:7 Twist, .750, 5/8x24 Thread Pitch
Barrel Length: 6-inch
Barrel Material: Steel
Barrel Thread Pitch: 5/8x24
Barrel Finish: Nitride
Barrel Twist Rate: 1:7
Barrel Gas System Length: Pistol
Upper Receiver: AR-15 Upper Receiver, M4 Feed ramps, 7075 T6 Aluminum, Anodized
Upper Receiver Material: 7075-T6 Aluminum
Upper Receiver Finish: Anodized
Handguard Material: 6061-T6 Aluminum
Handguard Color: Black
Handguard Style: M-Lok
Gas Block: Micro Low-Profile Gas Block, .750 O.D Barrel Steel
Gas Block Size: 0.750
Muzzle Device: 5/8x24 .308 Nitrided Flash/Sound Forwarder
Muzzle Thread Pitch: 5/8x24
