Product Description
MCS AR-15 300 BLACKOUT 7.5" INCH PISTOL UPPER 1:8 FREEFLOAT KEYMOD HANDGUARD
The MCS .300 AAC Blackout AR-15 Complete Upper built around a compact 7.5-inch pistol-length gas platform. The kit centers on a 7.5-inch HBAR profile phosphate barrel with a 1:8 twist rate and 5/8x24 thread pitch, paired with a muzzle-mounted fake suppressor and a black 5/8-inch crush washer. A micro low-profile steel gas block at 0.750 diameter and a pistol-length gas tube are included on the front end.
The 7075-T6 aluminum hardcoat anodized upper receiver features M4 feed ramps, a forward assist, and an ejection port door assembly, paired with a 12-inch Trinity Force KMX KeyMod freefloat handguard. A USA-made complete AR-15 bolt carrier group compatible with .223 Remington, 5.56 NATO, .300 Blackout, and .350 Legend, and a Mil-Spec AR-15 M4 charging handle complete the upper component set.
Caliber: .300 AAC Blackout
Barrel Length: 7.5"
Barrel Profile: HBAR
Gas System: Pistol Length
Twist Rate: 1:8 Twist
Barrel Finish: Phosphate
Upper Receiver: AR-15 Upper Receiver
Upper Receiver Features: M4 Feed Ramps, 7075-T6 Aluminum Construction, Hardcoat Anodized Finish
Handguard: Trinity Force KMX 12" KeyMod Free Float Handguard
Gas Block: Micro Low-Profile Steel Gas Block, .750" Diameter
Gas Tube: Pistol Length Gas Tube
Muzzle Device: Muzzle-Mounted Fake Suppressor
Thread Pitch: 5/8x24 TPI
Crush Washer: Black 5/8" Crush Washer
Bolt Carrier Group: Complete AR-15 BCG, Made in the USA
BCG Compatibility: .223 Remington, 5.56 NATO, .300 Blackout, .350 Legend
Charging Handle: Mil-Spec AR-15 M4 Charging Handle
Ejection Port Cover: AR-15 .223/5.56 Ejection Port Door Assembly
Forward Assist: AR-15 Forward Assist Assembly
