Description

Complete .300 Blackout AR-15 Upper 8.5″ 1:8 Pistol Gas MLOK Micro Flash Hider this compact upper includes an MLOK Split Rail and a Micro Flash Hider, making it a ready-to-install assembly for your AR-15 pistol build.

Built for reliable performance with both supersonic and subsonic ammunition in a short, maneuverable package, this .300 Blackout AR-15 upper assembly delivers consistent cycling and effective ballistics. Its pistol length gas system is optimized for the .300 Blackout cartridge, ensuring smooth operation in a compact form factor.

The .300 Blackout AR-15 Upper 8.5″ 1:8 Pistol Gas MLOK Micro Flash Hider finished in parkerized coating for enhanced corrosion resistance. The 1:8 twist rate is specifically optimized for .300 Blackout projectiles, ensuring excellent accuracy across various ammunition types.

This upper includes:

• MLOK Split Rail handguard
• Micro Flash Hider

🔧 Specifications:

• Receiver Material: Forged
• Barrel Length: 8.5″
• Barrel Profile: Heavy Barrel
• Twist Rate: 1:8
• Operating System: Pistol Length Gas System
• Weight: 3.70 lbs
• Barrel Finish: Parkerized
• Barrel Material: 4150 Chrome Moly Vanadium
• Thread Pitch: 5/8 x 24
• Caliber: .300 Blackout
• Charging Style: Rear Charging
• Classification: Complete Upper Assembly
• Platform: AR-15
• Compatibility: Any mil-spec AR-15 lower

Why Choose Our .300 Blackout AR-15 Upper?

• Compact Design: 8.5″ barrel for superior maneuverability in tight spaces.
• Versatile Caliber: Ideal for both supersonic and subsonic .300 Blackout ammunition.
• Optimized Performance: Pistol length gas system and 1:8 twist rate for reliable and accurate shooting.
• Durable Construction: Parkerized heavy barrel for longevity and consistent performance.
• Ready for Build: Includes MLOK rail and micro flash hider, compatible with mil-spec AR-15 lowers.

This .300 Blackout AR-15 Upper is the ideal choice for builders seeking a high-performance, compact, and reliable upper for their AR-15 pistol platform.

Warning: This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.