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The Pro2A Tactical Left-Handed 5-inch 7.62x39mm Non-Reciprocating (NR) Side Charging Complete Upper Receiver assembly delivers maximum compact leverage, premium charging speed, and dedicated southpaw ergonomics to the AR-15 platform. Hand-assembled and quality verified in Georgia, this premier system integrates a true left-ejecting receiver profile with an advanced, static side-charging mechanism. Featuring a micro 5-inch Melonite barrel shrouded inside an extended free-float handguard, it provides southpaw precision marksmen with an ultra-rigid, blowback-free drop-in solution built for direct suppressor nesting or flush muzzle device integration.
| Upper Receiver | Patented Gibbz Arms G4 Billet Aluminum Non-Reciprocating Side Charging Upper Receiver, Left Hand Ejection, M4 Feed Ramps (Type III Hardcoat Anodized) |
| Charging System | Right-Side Non-Reciprocating Charging System (Static Handle Design) for Left-Eject Configuration |
| Barrel Length & Profile | 5-Inch Ultra-Compact Profile |
| Caliber | 7.62x39mm |
| Twist Rate | 1:10 Twist |
| Barrel Material | 4150 Chrome Moly Vanadium Steel with Premium Corrosion-Resistant Melonite Finish |
| Gas System Length | Micro Length Direct Impingement with 0.750 Low-Profile Gas Block |
| Handguard | 4 Inch Free Float Slim Profile M-LOK Rail System with Picatinny Top Rail |
| Muzzle Thread & Device | 5/8x24 Thread Pitch A2 Flash Hider |
Building a high-performance, short-barreled 7.62x39 weapon configuration often introduces painful facial blowback and minimal optics clearance for left-handed operators. The Pro2A Left Hand 5" NR Side Charging Upper solves these extraction limitations completely by combining its premium billet architecture with a perfectly headspaced left-hand bolt and an enhanced firing pin optimized for hard military primers. The static side-charging handle yields crucial manual leverage from tight positions while the extended handguard ensures clean shield dynamics for your suppression setup. It is the definitive drop-in upgrade for southpaw shooters demanding absolute mechanical rigidity and portable firepower.
| SKU | P2ALNRX39AX4MIC5-HT |
|---|---|
| Barrel Length | 5 inch |
| Rifle Caliber | 7.62x39 |
| Manufacturer | Pro2A Tactical |