PRO2A LEFT HAND 16" 300 Blackout 1/7 Pistol Length Melonite M-LOK AR-15 Upper with Flash Can
Product Overview
Take full control of your tactical shooting experience with the PRO2A Left Hand 16" 300 Blackout Pistol Length Melonite M-LOK AR-15 Upper with Flash Can. Engineered explicitly from the ground up for Southpaw shooters, this premium complete upper receiver eliminates mechanical compromises. Built with a 16-inch 4150 CMV Melonite barrel featuring a fast 1/7 twist rate and a linear blast-forwarding flash can, this assembly drops seamlessly onto any standard AR-15 lower receiver to maximize ergonomics and downrange precision.
Key Features
- Dedicated Left-Hand Design: Specially machined mirrored upper receiver safely mirrors ejection to the left side, keeping spent brass, unburnt powder, and blistering gases entirely out of a left-dominant shooter's face.
- Linear Blast-Forwarding Flash Can: The slimline muzzle device effectively pushes bright flash, debris, and massive gas concussion straight downrange, significantly lowering shooter fatigue under covered roofs.
- Premium Melonite / Nitride Treated Barrel: The heavy-duty 4150 CMV barrel features a complete liquid QPQ Nitride/Melonite layer inside and out for ultimate surface hardness, throat protection, and weathering protection.
- Versatile 1:7 Twist Rate: The fast rifling rate is calculated to perfectly stabilize an immense spectrum of 300 AAC Blackout cartridges, handling standard supersonic hunting rounds and heavy subsonic projectiles with equal precision.
- Continuous 17" Slim M-LOK Rail: Extended free-float handguard completely shrouds the gas loop and wraps cleanly around the base of the flash can, offering deep modular mounting real estate for lights, bipods, or hand stops.
- Drop-In Operational Completeness: Arrives fully assembled, headspaced, and factory-tested.
Technical Specifications
| Caliber / Chamber | 300 AAC Blackout |
|---|---|
| Barrel Length | 16 Inches |
| Barrel Material | 4150 Chrome Moly Vanadium (CMV) Steel |
| Twist Rate | 1:7 Twist Button Rifled |
| Barrel Finish | Melonite / QPQ Nitride Finish |
| Gas System Length | Pistol-Length Gas System with 0.750" Low Profile Gas Block |
| Upper Receiver | Left-Hand Ejection Billet Aluminum, M4 Feed Ramps, Type III Hardcoat Anodized |
| Handguard | 17" Premium Slim Free-Float M-LOK Handguard (6061-T6 Aluminum) with Full Top Rail |
| Muzzle Thread & Device | 5/8x24 TPI; Premium Slimline Blast-Forwarding Linear Flash Can |
| Manufacturing Origin | 100% Made in the USA; Lifetime Warranty |
Why Choose the PRO2A Left-Handed 300 Blackout Flash Can Upper?
The 300 Blackout is legendary for its flexibility, but traditional right-handed upper receivers present an awkward, gas-heavy workflow for left-handed operators—especially when shooting closer to barriers or structures. The Pro2A Tactical Left-Hand Upper Receiver Group completely eliminates this ergonomic hurdle. By combining true left-side case extraction with an integrated linear flash can, this assembly drives the entire acoustic blast and debris signature straight downrange and away from your eyes. Tuned at the factory with a pistol-length gas system to guarantee consistent cycling with both supersonic and subsonic loads, this complete assembly offers a safer, flat-shooting, and deeply comfortable solution built exclusively for the Southpaw shooter.
