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The Pro2A Tactical Left-Handed 5-inch 7.62x39mm Complete Upper Kit bundles heavy-hitting caliber ballistic potential, micro agility, and true southpaw ergonomics into a comprehensive rifle transformation layout. Hand-assembled and quality verified in Georgia, this package includes everything required to convert a standard stripped lower receiver into a highly advanced personal defense weapon. Featuring an extended handguard designed to clean nest your linear device or direct-thread muzzle suppressor, it arrives completely paired with a matching left-hand bolt carrier group, full lower parts kit, and stock hardware to completely eliminate third-party configuration troubleshooting out of the box.
| Upper Receiver | Milspec Billet Aluminum M4 Flat Top Receiver, Left Hand Ejection, M4 Feed Ramps (Type III Hardcoat Anodized) |
| Barrel Length & Profile | 5-Inch Micro 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 |
| Bolt Carrier Group | Left Hand Full Auto M16 Profile, 9310 Bolt, 8620 Carrier, Nitride Finish, Enhanced Firing Pin, MPI Tested |
| Charging Handle | Standard Milspec Charging Handle |
| Lower Parts Kit | Complete AR-15 LPK with Pins, Springs, Detents, Grip, and Polished Mil-Spec Fire Control Group |
| Stock Assembly | Pistol Buffer Tube Assembly, Carbine Buffer, Spring, Castle Nut, Endplate, and Adjustable High Density Polymer Blade |
Building a high-performance, short-barreled 7.62x39 machine often forces left-handed operators to swallow intense gas blowback or manage erratic extraction patterns across their face. The Pro2A Left Hand 5" Suppressor Ready Upper Kit addresses these layout vulnerabilities completely by pairing factory-headspaced southpaw components with an enhanced feed ramp geometry and extended firing pin explicitly optimized for reliable cycling with hard military primers. The extended M-LOK handguard provides essential accessory real estate and protection when nesting your favorite muzzle suppression system, while the unified parts bundle erases component matching guesswork. It is the definitive choice for close-quarters platforms, personal defense layouts, or tactical tracking machines requiring absolute portable dominance.
| SKU | P2ALX39AX4MIC5-HT-KIT |
|---|---|
| Barrel Length | 5 inch |
| Rifle Caliber | 7.62x39 |
| Manufacturer | Pro2A Tactical |