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The PRO2A 20" 350 Legend 1/16 Carbine Length NR Side Charging Melonite M-LOK AR-15 Upper introduces an advanced cinematic ballistic footprint combined with optimized modern ergonomics. Chambered in the hard-hitting straight-walled 350 Legend cartridge, this complete upper receiver swaps out the traditional rear charging handle layout for a premium, fluid, Non-Reciprocating (NR) side-charging manual control layout. Utilizing an extended full-length 20-inch barrel, this configuration maximizes propellant burn to extract top muzzle velocities, deliver flat downstream trajectories, and provide exceptional field precision for hunters and sporting marksmen alike.
| Charging System: | Non-Reciprocating (NR) Side-Charging System |
| Caliber / Chamber: | 350 Legend (Straight-Wall Hunting Compliant Caliber) |
| Barrel Length & Contour: | 20 Inches Medium Taper Contour |
| Barrel Material: | 4150 Chrome Moly Vanadium Steel - Made for us by Tactical Kinetics |
| Twist Rate: | 1:16 Twist |
| Barrel Finish: | QPQ Melonite / Black Nitride Corrosion-Resistant Exterior and Interior Lining |
| Gas System Profile: | Carbine-Length Gas System with 0.750" Low Profile Gas Block Set |
| Muzzle Device: | Standard 5/8-24 TPI. Enlarged to 35 Cal, A2 Flash Hider |
| Upper Receiver Type: | Gibbz Arms G4 Billet Aluminum Side-Charging Receiver Architecture, Gen 2 Handle (Type III Hardcoat Anodized) |
| Handguard Profile: | 15 Inch Slim Free-Float Modular M-LOK Handguard Layout with Full Top Picatinny Rail Layout |
| Manufacturing Origin: | 100% Proudly Made in the USA |
For deer hunters and sport marksmen operating in straight-wall cartridge regulatory zones, the 350 Legend caliber delivers an incredible balance of low recoil and devastating short-to-medium-range energy transfer. However, traditional configurations force users to deal with slow rear manual controls and truncated velocity out of shorter setups. The PRO2A 20" Side Charging Upper remedies this entirely, pairing a full velocity barrel with an integrated, stationary side handle that lets you cycle your bolt comfortably without ever losing your cheek weld or breaking your optical tracking plane.
By shifting to an extended 20-inch barrel, this upper ensures full propellant consumption, flattening downrange trajectory drop significantly during critical anchor shots. Shielded inside and out with an ultra-durable QPQ Melonite anti-corrosion barrier, matched with a side-charging billet receiver, and wrapped in a rigid free-float M-LOK rail system, this drop-in platform strips away build complications to give you a clean-cycling precision powerhouse ready for severe field service straight out of the box.
| SKU | P2ANR350LAX15CAR20-TK |
|---|---|
| Barrel Length | 20 inch |
| Rifle Caliber | 350 Legend |
| Manufacturer | Pro2A Tactical |
