Product Overview

The PRO2A LEFT HAND 20" 223 Wylde 1/7 Rifle Length NR Side Charging Stainless Premium M-LOK AR-15 Upper Kit is a fully comprehensive, masterfully engineered southpaw build package optimized for top-tier long-range precision and tactical adaptability. Centered around a **Left-Eject Non-Reciprocating (NR) side-charging billet receiver**, this kit moves your manual manipulation controls to a fixed left-side handle, allowing left-dominant operators to cycle the system or clear faults without taking their eye off the optic or disrupting a stable cheek weld. The full 20-inch 416R stainless steel premium barrel extracts maximum velocity and flat target paths from both .223 Remington and 5.56 NATO rounds, while the smooth rifle-length gas system heavily tames reciprocal bolt forces. Completely configured with a matching left-handed full-auto profile bolt carrier group, dedicated lower parts package, and an adjustable stock assembly, this kit removes all component matching guesswork entirely.

Key Features

• All-In-One Complete Kit Pipeline: Consolidates your entire construction project by seamlessly bundling internal left-handed cycling mechanics, fire control linkages, small lower parts, and adjustable stock furniture inside one premium assembly order.
• True Left-Hand Architecture: Features a dedicated left-side ejection port to prevent facial gas blowback and hot spent brass exposure for southpaw shooters.
• Non-Reciprocating Left-Side Ergonomics: The charging handle stays completely stationary when firing, preserving your optic sight lines, mitigating optical obstruction, and eliminating thumb or optic mount clearance interferences.
• Match-Grade .223 Wylde Chambering: Masterfully bridges the dimensions between standard .223 Remington and 5.56x45mm NATO cartridges, delivering match-grade accuracy profiles across both ammunitions.
• Premium 416R Stainless Steel Barrel: Precision-bored 20-inch medium profile barrel manufactured by Tactical Kinetics, featuring a clean bead-blasted finish for extreme weather protection and target longevity.
• Smooth Rifle Gas Subsystem: Delivers a dramatically softened recoil signature and minimized internal pressure spikes, optimizing target re-acquisition speed for precise follow-up shots.
• Axis MFG Free-Float Handguard: Rigid 15-inch modular M-LOK rail profile matches perfectly with the upper top deck, maintaining accessory placement stability without stressing barrel accuracy harmonics.

Technical Specifications

Why Choose This Product

This master package represents a significant leap forward for southpaw builders tired of modified right-hand operations on precision platforms. By integrating a dedicated left-eject receiver pathway with a non-reciprocating cocking handle layout, it completely eradicates face-directed gas blowback and unnatural manual manipulation. Transitioning weapon indexing to a fixed left-side lever removes the awkward mechanical controls of standard rear charging latches underneath large long-range rifle optics footprints, keeping manipulation workflows natural and fast. Moving to a rifle-length gas system heavily reduces mechanical stress and softens target tracking, while the premium bead-blasted 416R stainless barrel yields sub-MOA reliability. Packed with premium treated components from the dedicated left-hand full-auto profile bolt assembly down to the polished fire control links, this configuration ensures reliable precision out of the box. 100% proudly manufactured in the USA.