Product Description
MCS AR-15 7.5" INCH .300 BLACK OUT PISTOL UPPER 1:8 FREEFLOAT M-LOK HANDGUARD
The MCS 7.5" .300 BLK pistol upper build kit offers a compact and efficient solution for .300 Blackout enthusiasts seeking maximum maneuverability. Built around a 7.5-inch pistol-gas barrel crafted from 4150 Chrome Moly Vanadium steel with phosphate finish, this upper kit ensures reliable performance and corrosion resistance.
The 1:8 twist rate supports a wide range of bullet weights, optimizing accuracy for your shooting needs from 110-grain supersonic to 220-grain subsonic projectiles. The upper receiver is made from durable 7075-T6 aluminum with anodized finish to withstand wear, and features integrated M4 feed ramps to enhance reliability during operation. The 7-inch M-Lok freefloat handguard is constructed from 6061-T6 aluminum, providing modularity and a lightweight profile while allowing for easy attachment of accessories. The kit includes a birdcage flash hider contributing to reduction of visible flash when firing. Ideal for gunsmiths and shooters who appreciate functionality and precision in their AR-15 builds, the MCS upper kit delivers solid performance in any setting.
Barrel: MCS 7.5-inch Pistol-Gas Barrel
Caliber: .300 Blackout
Barrel Length: 7.5 inches
Barrel Material: 4150 Chrome Moly Vanadium
Barrel Finish: Phosphate
Barrel Profile: H-Bar
Barrel Twist Rate: 1:8
Barrel Thread Pitch: 5/8x24
Barrel Gas System Length: Pistol
Gas Block Size: 0.75
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 Length: 7 inches
Handguard Color: Black
Handguard Style: M-Lok
Muzzle Device: MCS GI Birdcage Flash Hider
Muzzle Thread Pitch: 5/8x24
