Product Description
MCS AR-15 .300 BLACKOUT FDE 8.5 INCH PISTOL UPPER 1:8 M-LOK HANDGUARD
The MCS FDE 300BO is built around an 8.5-inch heavy .300 Blackout barrel, finished in Parkerized, paired with a 7075-T6 aluminum upper receiver finished in FDE Cerakote. It pairs a 7-inch ultra-lightweight minimalist free-float M-LOK handguard, also finished in FDE Cerakote, with a GI-style birdcage flash hider at the muzzle, running on a pistol-length gas system.
Caliber: .300 Blackout
Platform: AR-15
Barrel: MCS 8.5" .300 Blackout Heavy Barrel
Barrel Profile: Heavy
Barrel Finish: Parkerized
Twist Rate: 1:8
Gas System: Pistol Length
Gas Journal: .750"
Muzzle Thread: 5/8x24
Upper Receiver: MCS AR-15 Upper Receiver
Upper Receiver Material: 7075-T6 Aluminum
Upper Receiver Feed Ramps: M4
Upper Receiver Finish: FDE Cerakote
Handguard: MCS 7" Ultra Lightweight Minimalist Handguard
Handguard Style: Free-Float M-LOK Compatible
Handguard Finish: FDE Cerakote
Anti-Rotation Tabs: None
Muzzle Device: MCS GI-Style Birdcage Flash Hider
Muzzle Device Thread Pitch: 5/8x24
Muzzle Device Compatibility: .308 / 7.62x39 / .300 Blackout
Crush Washer: 5/8" Black Crush Washer
Gas Tube: Pistol-Length Gas Tube
Gas Block: Micro Low-Profile Gas Block
Gas Block Diameter: .750"
Gas Block Material: Steel
Forward Assist: AR-15 Forward Assist Assembly
Ejection Port Door: AR-15 .223/5.56 Ejection Port Door, Rod, and Spring Assembly
