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The PRO2A LEFT HAND 12.5" 300 Blackout 1/8 Pistol Length NR Side Charging Melonite AR-15 Upper with Flash Can Kit is a comprehensive, mirror-engineered master build package purpose-built to deliver premium ergonomics and muzzle control for left-handed operators. Centered around a **Left-Eject Non-Reciprocating (NR) side-charging billet receiver**, this system isolates manual handle movement from internal cycling parameters while routing spent brass cleanly away from southpaw operators. This layout features an integrated blast-forwarding linear flash can recessed smoothly within an extended modular handguard. Fully populated with a matching left-handed full-auto profile bolt carrier group, dedicated side-charging handle assembly, complete lower parts matrix, and a robust polymer blade system, this kit removes all component matching guesswork entirely.
| Upper Receiver | Gibbz Arms G4 Billet 7075-T6 Aluminum, Dedicated Left-Hand Ejection Port, Non-Reciprocating Side Charging Layout, Type III Hardcoat Anodized Black |
|---|---|
| Charging Handle | Ergonomic Non-Reciprocating Right-Side Handle Assembly (Stays static during firing cycles) |
| Bolt Carrier Group | Dedicated Left-Hand Full-Auto Profile BCG, Nitride Treated, 8620 Steel Carrier, Carpenter 158 Left-Hand Bolt, MPI Tested |
| Barrel Length & Profile | 12.5-Inch Medium Profile |
| Caliber | 300 AAC Blackout (300 BLK) |
| Twist Rate | 1:8 Twist Rate (Highly optimized for standard supersonic and heavy subsonic multi-grain configurations) |
| Barrel Material | 4150 Chrome Moly Vanadium Steel with Premium Melonite/QPQ Treatment |
| Gas System | Pistol Length Direct Impingement with Low-Profile Gas Block |
| Handguard | 15-Inch Extended Free Float Slim Profile M-LOK Rail System (Recesses muzzle assembly cleanly) |
| Muzzle Device | Slimline Blast-Forwarding Linear Flash Can (5/8x24 Thread Pitch) |
| Lower Parts Kit | Complete AR-15 Lower Parts Kit (LPK) including Pivot/Takedown Pins, Bolt Catch, Magazine Catch, Springs, Detents, Standard Pistol Grip, and Polished Mil-Spec Fire Control Group (Trigger & Hammer) |
| Blade Assembly | High Density Polymer Adjustable Blade, Pistol Buffer Tube (Receiver Extension), Carbine 3oz Buffer, and Standard Buffer Spring |
This master package represents a significant leap forward for southpaw builders tired of modified right-hand operations. By integrating a dedicated left-eject receiver pathway with a non-reciprocating cocking handle layout, it completely eradicates face-directed gas blowback and unnatural manual manipulation. Transitioning weapon indexing to a fixed left-side lever removes the awkward mechanical controls of standard rear charging latches underneath large optics footprints, keeping manipulation workflows natural and fast. By pairing this custom control deck with a recessed linear blast forwarding device, you resolve the uncomfortable lateral concussions typical of short-barrel setups when training indoors. Packed with premium treated components from the dedicated left-hand full-auto profile bolt assembly down to the polished fire control links, this configuration ensures reliable performance out of the box. 100% proudly manufactured in the USA to unrelenting tactical standards.
| SKU | P2ALNR300BLKGFS15PIS125CAN-TK-KIT |
|---|---|
| Rifle Caliber | 300 Blackout |
| Manufacturer | Pro2A Tactical |