Product Description
MCS AR-15 .300 BLACKOUT 6" PISTOL BUILD KIT 1:7 M-LOK HANDGUARD W/SBA5 BRACE
The MCS .300 AAC Blackout AR-15 Full Build Kit is built around a compact 6-inch pistol-length gas platform. The kit centers on a 6-inch nitride barrel with a 1:7 twist rate and 5/8x24 thread pitch, paired with a .308 compatible muzzle-mounted fake suppressor. A MCS micro low-profile steel gas block at 0.750 diameter and a pistol-length gas tube are included on the front end. The MCS 7000 Series optimized AR-15 upper receiver carries a Type III hardcoat anodized black finish with a dust cover pin retention feature and an ejection port door assembly, paired with a 7-inch freefloat M-LOK handguard featuring a full-length Picatinny top rail and integrated QD sling mounts. A MCS 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 side. The lower hardware includes a complete Mil-Spec AR-15 lower parts kit, a Mil-Spec heavy-duty 6-position aluminum carbine buffer tube, a standard 3 oz AR-15 carbine buffer, a USA-made standard AR-15 carbine recoil spring, an AR-15 M16 Mil-Spec end plate, and an AR-15 carbine castle nut. The SB Tactical SBA5 adjustable pistol stabilizing brace in black is included.
Caliber: .300 AAC Blackout
Barrel Length: 6"
Barrel Finish: Nitride
Twist Rate: 1:7
Gas System: Pistol Length
Gas Block Journal: .750"
Thread Pitch: 5/8x24
Upper Receiver: MCS 7000 Series Optimized AR-15 Upper Receiver
Upper Finish: Type III Hardcoat Anodized Black
Upper Features: Dust Cover Pin Retention Feature
Handguard Length: 7"
Handguard Type: MCS Free Float M-LOK Handguard
Handguard Features: Full-Length Picatinny Top Rail, Integrated QD Sling Mounts, Lightweight Design
Handguard Condition: Blemished
Gas Tube: Pistol Length Gas Tube
Gas Block: Micro Low-Profile Steel Gas Block, .750" Diameter
Muzzle Device: Muzzle Mounted Fake Suppressor (.308)
Ejection Port Cover: AR-15 Ejection Port Door Assembly Included
Bolt Carrier Group: MCS Complete AR-15 Bolt Carrier Group
BCG Compatibility: .223 Rem / 5.56 NATO / .300 Blackout / .350 Legend
BCG Origin: Made in the USA
Charging Handle: AR-15 M4 Mil-Spec Charging Handle
Lower Parts Kit: MCS Complete Mil-Spec AR-15 Lower Parts Kit
Buffer Tube: Mil-Spec Heavy-Duty 6-Position Buffer Tube
Buffer: Standard AR-15 Carbine Buffer, 3 oz.
Recoil Spring: Standard AR-15 Carbine Recoil Spring, Made in USA
Receiver End Plate: AR-15 M16 Mil-Spec End Plate
Castle Nut: AR-15 Carbine Castle Nut
Brace: SB Tactical SBA5 Pistol Stabilizing Brace, Black
Color: Black
