PRO2A LEFT HAND 16" 350 Legend 1/16 Carbine Length NR Side Charging Melonite M-LOK AR-15 Upper with Flash Can

Product Description

Unlock peak modern sporting rifle ergonomics, straight-wall raw performance, and controlled muzzle dynamics with the premium PRO2A LEFT HAND 16" 350 Legend Carbine Length Non-Reciprocating (NR) Side Charging Assembled Upper Receiver with Flash Can. Engineered explicitly to satisfy the needs of left-handed marksmen, this setup utilizes a dedicated left-ejecting platform to completely eliminate right-side gas blowback, unburnt powder blast, and hot shell debris from crossing your field of view. To combat the severe muzzle blast typical of the high-impact straight-wall 350 Legend cartridge, an integrated linear flash can is seamlessly shrouded inside the handguard to route concussive acoustic forces directly downrange. The architecture centers around a left-hand optimized Gibbz Arms G4 patent-pending non-reciprocating side-charging billet system for unhindered, fast manual manipulation.

Key Features

True Left-Hand Architecture: Configured with a dedicated left-side ejection orientation to safely route spent casing paths and high-pressure expansion gases away from southpaw operators.
Non-Reciprocating Right-Side Charger: The premium patent-pending Gibbz Arms G4 billet receiver ensures the side-charging handle remains completely stationary while firing to maintain unobstructed visual clearance under oversized optics or thermal imaging scopes.
Straight-Wall Hunt Compliance: Meticulously optimized for the 350 Legend cartridge, granting maximum lawful efficacy in states with restrictive straight-wall public land harvesting mandates.
Forward-Directed Flash Can: Slimline linear muzzle flash can routes heavy expanding gases downrange, substantially increasing shooter comfort and shielding nearby operators on the firing line.
Precision 1:16 Twist Rate: Perfectly tailored twist dynamic stabilizes standard and high-grain commercial ammunition options, preserving bullet concentricity and match-grade terminal tracking.
QPQ Melonite Hardened Protection: Inside barrel bore, chamber throat, and exterior walls are fully liquid nitrocarburized to maximize surface hardness, improve thermal dissipation boundaries, and resist extreme environmental degradation.
Recessed M-LOK Workspace: A continuous top Picatinny rail aligns flawlessly with a 15-inch ultra-lightweight slimline M-LOK handguard that beautifully shrouds and recesses the flash can muzzle profile for a clean, streamlined footprint.

Technical Specifications

Caliber / Chambering	350 Legend (Straight-Walled Rifle Cartridge)
Receiver Orientation	Dedicated Left-Hand Ejection Port Geometry
Upper Receiver Housing	Gibbz Arms G4 Billet Non-Reciprocating Side Charging, Left-Ejecting Specific, 7075-T6 Aluminum, Type III Hardcoat Anodized
Charging System	Right-Side Non-Reciprocating Handle Assembly (Gen 2 Handle Components Included)
Barrel Length / Steel	16 Inches / 4150 Chrome Moly Vanadium (CMV) Steel
Barrel Finish & Profile	QPQ Melonite / Black Nitride Finish (Internal & External) — Medium Profile
Twist Rate / Feed Ramps	1:16 Twist / Enlarged M4 Feed Ramp Profile for Reliable Straight-Wall Case Feeding
Gas System Mechanics	Carbine Length Direct Impingement with a 0.750" Low-Profile Steel Gas Block
Handguard System	17-Inch Ultra-Lightweight Free-Float 6061-T6 Aluminum Modular M-LOK Rail
Muzzle Configuration	Slimline Linear Flash Can (Concussive Diffuser Shroud) / 5/8x24 TPI Thread Pitch
Manufacturing Origin	100% Designed, Machined, and Assembled in the United States
Warranty Coverage	Protected by Pro2A Tactical's Structural Lifetime Warranty

Why Choose This Product?

The PRO2A Left-Hand 16" 350 Legend Non-Reciprocating Side Charging Upper Receiver with Flash Can offers custom builders an exceptional, modular baseline without forcing southpaw shooters to purchase redundant internal bolt elements or standard stock assemblies they may already have on hand. Sourcing standalone components often creates headspacing risk or feeding failure with straight-walled cases. This system resolves that constraint out of the box, utilizing a mirrored left-hand single large M4 feed ramp configuration built explicitly to chamber straight-wall ammunition smoothly. Traditional rear-charging upper units create awkward physical manipulation clearances and force left-handed operators to breathe in exhausting chemical blowback gases. Utilizing the mirrored forge design and premium Gibbz Arms G4 side-charging framework resolves this obstacle entirely, allowing clean manual charging execution while keeping your cheek weld firmly established. Complemented by a 15-inch free-floating rail that beautifully envelopes the blast-directing linear flash can, it delivers a flat-shooting, modern profile engineered for extreme operational hunting environments under the total protection of an unconditional Structural Lifetime Warranty.

SKU	P2ALNR350LAX17CAR16CAN-TK
Barrel Length	16 inch
Rifle Caliber	350 Legend
Manufacturer	Pro2A Tactical