Product Description
MCS AR-15 8.5" INCH 300 BLACKOUT PISTOL UPPER TUBULAR M-LOK HANDGUARD
The MCS pistol upper build gathers the upper side parts for a .300 Blackout AR-15 pistol. It includes an 8.5 inch .300 Blackout heavy profile barrel, a forged upper receiver, a 7 inch tubular MLOK handguard with 1.77 inch inner diameter, a pistol length gas system and a Plan B radial muzzle brake.
Features
- MCS 8.5 inch .300 Blackout barrel, heavy profile, 4150 CrMoV, parkerized, nitride barrel extension
- 1:8 twist, pistol length gas, .750 inch journal, 5/8x24 threads
- Forged 7075-T6 upper receiver, M4 feed ramps, forward assist and ejection port door
- MCS 7 inch tubular MLOK handguard, aluminum, black, 1.77 inch inner diameter, suppressor ready
- MCS adjustable skeletonized clamp on .750 inch gas block, black
- Pistol length stainless steel gas tube
- MCS PB radial hole muzzle brake, 17-4 stainless, H1150, black nitride, 5/8x24, .30 caliber