Build your own high-performance, straight-walled tactical configuration with the PRO2A 12.5" 350 Legend Pistol Length Upper Kit. This premium component bundle provides matching, high-tolerance parts designed to drop onto any mil-spec lower assembly once built. Centered around a highly maneuverable 12.5-inch Melonite-treated barrel with a 1/16 twist rate, this comprehensive system delivers optimal short-barrel velocity and flat-shooting accuracy, making it an excellent solution for custom deer hunting pistols or short-barreled rifle configurations.
Key Features
- Premium Component Sourcing: Sourced transparently from reputable American manufacturers to guarantee robust, flawless fitment and long-term functional cohesion.
- Melonite (QPQ) Shielded Finish: Yields a diamond-hard, corrosion-resistant protective boundary both inside the bore and across the chamber surface for effortless carbon cleaning.
- Compact 12.5-Inch Maneuverability: Offers an exceptionally balanced layout that navigates thick woods, tight ground blinds, or vehicle configurations with ease compared to standard 16-inch setups.
- Slim Free-Float M-LOK Utility: The lightweight handguard isolates barrel harmonics to safeguard shot-to-shot accuracy while supplying generous modular real estate for hunting accessories.
Technical Product Specifications
- Caliber / Chamber: .350 Legend (Straight-Walled Cartridge Profile)
- Barrel Length: 12.5 Inches
- Gas System Length: Pistol-Length (optimized for proper back-pressure with short-barreled straight-walled cases)
- Barrel Twist Rate: 1/16 Twist (ideal for stabilizing common 145 grain to 180 grain projectiles)
- Barrel Material & Finish: 4150 Chrome Moly Vanadium with a premium Melonite / Black Nitride QPQ treatment
- Upper Receiver Style: Standard Forged 7075-T6 Aluminum Upper with Enlarged M4 Feed Ramps, Forward Assist & Port Cover, Anodized Black
- Bolt Carrier Group & Handle:Premium Full Auto Profile, Nitride Finish, 9310 Bolt, 8620 Carrier, MPI Tested. Standard Charging Handle.
- Handguard Structure: 10 Inch Slim Free-Float M-LOK Handguard featuring a matching continuous top Picatinny rail
- Gas Block Journal: 0.750" Low-Profile Gas Block and Pistol Length Stainless Steel Gas Tube
- Muzzle Device: 5/8x24 TPI A2 Flash Hider (Enlarged to 35 Cal)
- Lower Parts: Complete Mil-Spec lower assembly components (Trigger, Hammer, Disconnector, Springs, Pins, Fire Selector, Bolt Catch, Magazine Release, and Pistol Grip)
- Pistol Blade Assembly: High-density polymer Stabilizing Blade, Pistol Buffer Tube, Carbine Buffer Spring, Standard Buffer, Castle Nut, and End Plate
- Platform Compatibility: Standard AR-15 Mil-Spec platforms (requires 350 Legend specific magazines)
- Kit Inclusion Note: Includes all upper receiver group build components (Barrel, Receiver, Handguard, Gas Block, Tube, and Muzzle Device). Bolt Carrier Group (BCG) and Charging Handle.
- Origin: 100% Proudly Sourced and Made in the USA
Why Choose the Pro2A Tactical 12.5" 350 Legend Upper Kit?
The Ultimate Custom Brush Build
The .350 Legend is renowned for its low-recoil, high-energy impact metrics within straight-walled hunting restriction zones. Bringing this caliber down to a 12.5-inch pistol barrel profile yields an incredibly compact, light package that still packs the terminal footprint required to drop game instantly.
Transparent Quality Control
Pro2A Tactical believes in complete manufacturing transparency. Rather than packing mysterious, unbranded parts into a kit, every component in this kit is selected from top-tier domestic manufacturers, assuring strict dimensional uniformity so your custom build fits together flawlessly on the work bench.
American Innovation Protected by Support
All items in this kit are proudly manufactured right here in the USA. By sourcing components from industry leaders and supporting your build with local customer care out of Cumming, Georgia, Pro2A Tactical guarantees your custom project is built on a foundation of absolute reliability.
