300 AAC Blackout uppers utilize a standard .223/5.56 bolt carrier group and magazines, eliminating the need for special components. Simply swap the upper onto your mil-spec AR-15 lower, and you're ready to fire in this versatile caliber.
Barrel Material: 16" 4150V Chrome Moly Vanadium, button-rifled, nitride-coated for accuracy and longevity.
Twist Rate: 1:8 twist for consistent projectile stabilization.
Chamber: 300 AAC Blackout.
Muzzle Device: Barrett-style muzzle brake with 5/8-24 threads and crush washer. We are currently making these uppers with G2 barrett muzzle brake.
Gas System: Pistol-length gas system with a low-profile .750" steel gas block and stainless steel gas tube.
Receiver: Forged 7075-T6 aluminum, M4-style with black hardcoat anodizing, forward assist, and dust cover installed.
Handguard: 15" lightweight, free-floating Mlok rail, aircraft-grade aluminum, hardcoat anodized.
Overall Length: 24.5" | Weight: 3.7 lbs.
No BCG or Charging Handle Included – Must be purchased separately.
Image Disclaimer – Product images may not reflect exact stock configurations.
This AR-15 16" 300 AAC Blackout Upper is designed for shooters looking for a reliable and high-performing platform, combining a nitride-coated barrel, lightweight Mlok handguard, and pistol-length gas system for enhanced versatility and precision.
Tags: ar-15, 16 16 16", 300, aac, blackout, pistol, length, 1/8, nitride, upper, 15", lightweight, mlok