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Dominate long-range steel and varmint targets with uncompromised southpaw ergonomics using the PRO2A LEFT HAND 20" 224 Valkyrie Upper Kit. Built from the ground up natively for left-handed shooters, this premium rifle package features a mirrored left-ejecting receiver profile and dedicated left-hand M16 bolt carrier group. By routing gas pressure and spent casings safely down the left side, it removes the concussive facial blowback typical of right-handed setups. The 20-inch medium profile barrel stretches muzzle velocity to its absolute limit, while the ultra-fast 1:6.5 twist rate flawlessly stabilizes heavy, high-BC long-range projectiles. This comprehensive build kit arrives with all the lower completion components required to finish a custom precision rifle on your stripped lower receiver.
| Upper Receiver | Billet Aluminum, M4 Feed Ramps, (Dedicated Left-Hand Ejection Port Setup), Type III Hardcoat Anodized Black |
|---|---|
| Charging Handle | Standard Mil-Spec Charging Handle |
| Bolt Carrier Group | Milspec Left-Hand M16 Full Auto Profile, 224 Valkyrie Caliber, QPQ Nitride/Melonite Treated, MPI Tested, 8620 Carrier with 9310 Steel Bolt |
| Barrel Length & Profile | 20-Inch Medium Profile |
| Caliber | 224 Valkyrie |
| Twist Rate | 1:6.5 Twist Rate (Highly optimized for stabilizing standard to heavy-grain match and hunting projectiles) |
| Barrel Material | 4150 Chrome Moly Vanadium Steel with QPQ Melonite Nitride Finish |
| Gas System | Rifle Length Direct Impingement with Low-Profile Gas Block |
| Handguard | 15-Inch Free Float Slim Profile M-LOK Handguard Rail System |
| Muzzle Device | Standard A2 Flash Hider, 1/2x28 TPI |
| Lower Parts Kit | Complete AR-15 Lower Parts Kit (LPK) including Pivot/Takedown Pins, Bolt Catch, Magazine Catch, Springs, Detents, Standard Pistol Grip, and Mil-Spec Fire Control Group (Trigger & Hammer Assembly) |
| Stock Assembly | M4 Carbine Adjustable Buttstock, 6-Position Mil-Spec Buffer Tube (Receiver Extension), Carbine Recoil Buffer, and Spring |
The 224 Valkyrie cartridge transforms the standard AR-15 lower receiver into a legitimate 1,000-yard tool, remaining supersonic at distances traditional intermediate rounds can't match. By pairing this long-range capability with an all-inclusive rifle-length stock build bundle and true left-handed mechanical tolerances, Pro2A Tactical removes the guesswork, providing a premium custom setup tuned explicitly for left-handed precision requirements.
| SKU | P2AL224AX15RIF20-TK-KIT |
|---|---|
| Barrel Length | 20 inch |
| Rifle Caliber | 224 Valkyrie |
| Manufacturer | Pro2A Tactical |