PRO2A LEFT HAND 12.5" 5.56 NATO 1/7 Mid Length NR Side Charging Melonite M-LOK AR-15 Upper

Description

The Pro2A Tactical Left-Handed 12.5-inch 5.56 NATO Non-Reciprocating (NR) Side Charging Complete Upper Receiver assembly delivers peak velocity, soft recoil tuning, and uncompromised ergonomics for southpaw shooters on the AR-15 platform. Hand-assembled and quality verified in Georgia, this premier system integrates a true left-ejecting receiver profile with an advanced, static side-charging mechanism. Paired with an optimal 12.5-inch barrel and a smooth-cycling mid-length gas curve, it provides left-handed operators with an ultra-rigid, blowback-free drop-in solution built for tactical mastery.

Key Features

• Left-Handed Non-Reciprocating Architecture: Features a dedicated left-eject billet receiver paired with a side-mounted charging handle that remains static while firing, preventing optical interference and redirecting high-pressure port gases away from the shooter's face.
• Soft-Shooting Mid-Length Gas Layout: A premium mid-length direct impingement design reduces gas port pressure spikes, minimizing felt recoil, slowing cyclic bolt carrier rates, and extending internal component life.
• Balanced 12.5-Inch Profile: Yields significantly higher velocity thresholds and dwell time stabilization than ultra-short layouts, keeping performance flat out to extended medium ranges.
• Premium Melonite Hardness: The 4150 steel barrel is treated inside and out with an ultra-hard Melonite finish, providing extreme corrosion resistance and an easily cleaned bore surface.

Technical Specifications

Why Choose This Product?

Stepping away from traditional over-gassed carbine setups on short barrels is crucial for structural cycling performance, especially when managing a dedicated left-handed weapon configuration. The Pro2A Left Hand 12.5" 5.56 NATO NR Side Charging Upper Receiver addresses these constraints entirely by pairing its premium billet architecture with an extended mid-length gas system and a perfectly headspaced left-hand bolt configuration. The static side-charging handle yields crucial clearance for modern, oversized optics while maximizing operational speed from prone positions. Built with professional case-hardening surface treatments to preserve bore life and guarantee effortless maintenance, it is the ultimate option for southpaw operators demanding maximum custom-tier rigidity in a drop-in package.