Product Overview

The PRO2A 5" 5.56 NATO 1/5 Micro Length NR Side Charging Melonite M-LOK AR-15 Upper with Flash Can Kit provides an all-inclusive, premium workspace solution engineered to transition your stripped lower receiver into a highly advanced, ultra-compact personal defense weapon (PDW). Built around a precision **Non-Reciprocating (NR) left-side charging receiver**, this kit isolates component cycling from the manual handle to maintain a rock-solid sight picture. Featuring a true 5-inch micro barrel utilizing a rare, hyper-fast **1:5 twist rate**, this layout stabilizes standard and heavy duty rounds flawlessly in short barrel constraints. Completely configured with a matching full-auto profile bolt carrier group, dedicated side-charging handle assembly, recessed linear flash can, complete lower parts matrix, and a robust polymer blade system, this master package removes component matching guesswork entirely.

Key Features

• All-In-One Master Kit Architecture: Fulfills your entire firearm construction project by fully integrating the internal tracking components, fire control group, and stabilizing furniture directly into one premium order.
• Non-Reciprocating Side Manipulation: Left-side charging lever remains completely fixed forward when firing, mitigating gas-to-face blowback exposure and maximizing operational ergonomics clear of optics footprints.
• Hyper-Fast 1:5 Twist Optimization: Explicitly engineered with an aggressive 1:5 spin rate to properly stabilize projectiles out of an ultra-short 5-inch barrel, maximizing accuracy and spin velocity where standard twist rates fail.
• Concussive Forward Redirection: The sleek linear blast flash can forces hot expanding muzzle gases and sharp acoustics downstream, protecting the operator when maneuvering inside tight structural boundaries or indoor ranges.
• Liquid QPQ Melonite Preservation: Full-immersion nitriding hardens the 4150 CMV barrel structure inside and out to safely resist severe gas throat friction heat and extreme elemental humidity.
• Integrated M-LOK Utility: Free-float modular rail system provides direct attachment points for lights, handstops, and tactical hardware while recessing the flash can cleanly.

Technical Specifications

Why Choose This Product

Choosing this complete side-charging micro upper kit completely modernizes your construction pipeline. Transitioning weapon manipulation to a fixed left-side lever completely eliminates the awkward clearance issues of standard rear-charging latches underneath large optics footprints, keeping manual cycling right in the workspace. Furthermore, deploying a 5-inch 5.56 barrel usually presents severe stability problems; by introducing a fast 1:5 twist profile, this platform applies massive rotational torque to properly stabilize the bullet. When paired with an integrated blast-forwarding device to tame the heavy concussion inherent to micro builds, you establish an ultra-reliable PDW. Proudly manufactured 100% in the USA from heavy-duty raw metals, this setup ensures an uncompromising tactical response straight out of the box.