Product Description
MCS AR-15 .300 BLACKOUT 8.5 INCH PISTOL UPPER 1:8 FREEFLOAT M-LOK HANDGUARD
The MCS upper build is an AR-15 upper component package chambered in .300 Blackout and built around an 8.5 inch 4150 CrMoV barrel with a parkerized finish and 1 to 8 twist rate. This kit includes the upper receiver, barrel, and handguard. The upper receiver is a billet 6061 T6 aluminum design with a Type III hard coat anodized finish. Bolt carrier group and charging handle not included.
Platform: AR-15
Caliber: .300 Blackout
Color: Black
Barrel Length: 8.5-inch
Barrel Material: 4150 Chrome Moly Vanadium
Barrel Finish: Parkerized
Barrel Profile: Heavy
Barrel Twist Rate: 1:8
Barrel Thread Pitch: 5/8x24
Upper Receiver Material: 6061-T6 Billet Aluminum
Upper Receiver Finish: Type III Hard Coat Anodized
Gas Tube: Pistol Length
Gas Block Size: 0.750
Gas Block Style: Low-Profile
Handguard Length: 7-inch
Handguard Style: M-Lok
Muzzle Device: 5/8x24 GI Birdcage Flash Hider
Crush Washer: 5/8 Crush Washer - Black (Qty 1)
Ejection Port Door: AR-15 .223/5.56 Ejection Port Door, Rod and Spring (Qty 1)
