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Are you at least 18 years old?
Are you at least 18 years old?
The PRO2A LEFT HAND 6" 300 Blackout 1/7 Pistol Length Melonite M-LOK AR-15 Upper - Suppressor Ready delivers ultimate close-quarters ballistic authority combined with premium, specialized southpaw ergonomics. Purpose-built from the ground up for left-handed operators, this upper receiver completely isolates right-side gas blowback—a critical vulnerability when running a suppressor. Pairing an ultra-compact 6-inch premium barrel with a free-float handguard designed to allow for silencer use, this upper provides a streamlined, seamless configuration for personal defense weapons (PDW), vehicular deployment, or covert operations.
| Handedness / Ejection: | Dedicated True Left-Hand Ejection Layout |
| Muzzle Device: | 5/8x24 TPI Standard A2 Flash Hider |
| Caliber / Chamber: | 300 AAC Blackout (300 BLK) |
| Barrel Length & Contour: | 6 Inches Medium Profile Profile |
| Barrel Material: | 4150 Chrome Moly Vanadium Steel |
| Twist Rate: | 1:7 Twist |
| Barrel Coating Finish: | QPQ Melonite / Black Nitride Corrosion-Resistant Exterior and Interior Lining |
| Gas System Length: | Pistol-Length Gas System with 0.750" Low Profile Gas Block |
| Upper Receiver Type: | 7075 Billet Aluminum Left-Handed Flat Top Receiver, M4 Feed Ramps (Type III Hardcoat Anodized) |
| Handguard Profile: | 5 Inch Free-Float Modular M-LOK Rail |
| Manufacturing Origin: | 100% Proudly Made in the USA |
Running a suppressed short-barrel rifle or pistol is the pinnacle of close-quarters performance, but for left-handed shooters, it is historically miserable. Standard right-hand upper receivers funnel intense, highly concentrated toxic backpressure gases and unburnt carbon grit straight into a southpaw’s eyes and face. The PRO2A Left-Hand Upper mirrors the structural footprint to redirect ejection forces safely away from your vision, turning a punishing firing string into a pleasant, clean tracking experience.The 300 Blackout cartridge was uniquely engineered to achieve complete propellant powder burn inside compact barrel spaces, meaning this 6-inch setup preserves excellent terminal performance while keeping the platform light and exceptionally nimble. By shifting to an extended free-float handguard that wraps around the muzzle threads, you regain valuable M-LOK mounting area for weapon lights, pressure switches, or hand stops right up to the edge of your silencer. Finished inside and out with an ultra-hard QPQ Melonite anti-wear treatment, this drop-in American-made platform eliminates part compatibility friction to deliver an ultra-reliable precision powerhouse right out of the box.
| SKU | P2AL300BLKBW5PIS6-BA |
|---|---|
| Barrel Length | 6 inch |
| Rifle Caliber | 300 Blackout |
| Manufacturer | Pro2A Tactical |
