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Are you at least 18 years old?
Are you at least 18 years old?
The PRO2A 12.5" 300 Blackout 1/8 Pistol Length Melonite M-LOK AR-15 Upper with Flash Can strikes the perfect balance between maneuverability and optimal velocity retention for short-barrel setups. Built around a precision 12.5-inch 4150 CMV steel barrel, this assembly fully leverages the ballistic adaptability of the .300 AAC Blackout cartridge across various grain weights. Completed with an integrated blast-forward linear muzzle flash can to throw heavy pressures safely downrange, this complete upper comes ready to drop directly onto your choice of mil-spec AR-15 lower receivers or pistol configurations.
| Caliber / Chamber: | 300 AAC Blackout (7.62x35mm) |
| Barrel Length: | 12.5 Inches |
| Barrel Material: | 4150 Chrome Moly Vanadium Steel |
| Twist Rate: | 1:8 Twist |
| Barrel Finish: | QPQ Melonite / Black Nitride Finish |
| Gas System Length: | Pistol-Length Gas System Layout with 0.750" Low Profile Gas Block |
| Receiver Style: | Mil-Spec Forged 7075-T6 Aluminum with Forward Assist & Dust Cover (Type III Hardcoat Anodized) |
| Bolt Carrier Group (BCG): | Premium M16 Profile BCG, Nitride Finish, Black Nitride Gas Key, MPI Tested |
| Muzzle Threads & Device: | 5/8x24 TPI; Premium Slimline Muzzle Blast Flash Can |
| Handguard Interface: | 15 Inch Free-Float Ergonomic Slim M-LOK Rail System with Continuous Top Picatinny Rail Layout |
| Manufacturing Origin: | 100% Made in the USA |
This standalone 12.5-inch upper receiver assembly delivers an ideal compromise-free option for shooters wanting the close-quarters handling of a short-barrel configuration without sacrificing essential velocity profiles. By matching a premium Melonite-lined barrel with a perfectly tuned pistol-length gas system, this upper optimizes powder burn efficiency to cycle subsonic and supersonic rounds reliably. Completed with a forward blast-directing linear flash can that drives concussion away from your face and a free-float M-LOK rail for endless modular custom layouts, it provides direct-to-consumer value engineered for ultimate field resilience.
| SKU | P2A300BLKGFS15PIS125CAN-TK |
|---|---|
| Rifle Caliber | 300 Blackout |
| Manufacturer | Pro2A Tactical |
