PRO2A LEFT HAND 16" 5.56 NATO 1/7 Melonite M-LOK AR-15 Upper Kit

Product Description

The PRO2A Left Hand 16" 5.56 NATO Melonite M-LOK AR-15 Upper Kit is a full-featured, comprehensive rifle completion package meticulously engineered for left-handed operators looking to assemble a duty-ready tactical rifle. This complete build bundle handles all part-compatibility guesswork by integrating a true left-ejecting forged upper receiver and specialized left-handed bolt carrier group with a comprehensive lower completion hardware kit and matching stock system. It equips southpaw home builders with everything needed to turn a standard stripped lower receiver into a functional, highly reliable firearm.

Key Features

True Left-Hand Port Configuration: Mirrored upper layout safely channels scorching expansion gases and hot empty shell casings completely clear of a southpaw shooter's face and eyes.
Complete Build Integration: Bundles your high-accuracy 16-inch upper assembly with a dedicated left-hand BCG, standard charging handle, complete lower parts kit, and an adjustable stock conversion package.
All-Purpose 16-Inch Footprint: Provides standard compliance and optimized internal powder burn mechanics for maximum standard velocity parameters without Short Barreled Rifle restrictions.
Premium Melonite Structural Defense: Heavy-duty 4150 CMV steel is thoroughly liquid nitrided to secure supreme environmental corrosion resistance, uniform heat dissipation, and an extended throat life.

Technical Specifications

Upper Receiver	Billet Aluminum, M4 Feed Ramps (Dedicated Left-Hand Ejection Port Setup)
Charging Handle	Standard Mil-Spec Charging Handle
Bolt Carrier Group	Milspec Left-Hand M16 Full Auto Profile, QPQ Nitride/Melonite Treated, MPI Tested
Barrel Length & Profile	16-Inch Medium Profile
Caliber	5.56 NATO (Safely accepts .223 Remington)
Twist Rate	1:7 Twist Rate (Highly optimized for standard 62gr to heavy 77gr match projectiles)
Barrel Material	4150 Chrome Moly Vanadium Steel with QPQ Melonite Nitride Finish
Gas System	Carbine Length or Mid-Length Direct Impingement with Low-Profile Gas Block
Handguard	12-Inch Free Float Slim Profile M-LOK Handguard Rail System
Muzzle Device	A2 Flash Hider (1/2x28 Thread Pitch)
Lower Parts Kit	Complete AR-15 Lower Parts Kit (LPK) including Pivot/Takedown Pins, Bolt Catch, Magazine Catch, Springs, Detents, Standard Pistol Grip, and Mil-Spec Fire Control Group (Trigger & Hammer Assembly)
Stock Assembly	M4 Carbine Adjustable Buttstock, 6-Position Mil-Spec Buffer Tube (Receiver Extension), Carbine Recoil Buffer, and Spring

Why Choose This Product?

This premium 16-inch left-handed build bundle provides a seamless pathway to traditional rifle utility without compromising on user ergonomics. By integrating a dedicated left-handed bolt carrier group with full lower receiver completion small parts and a stable recoil package, it completely cuts out the harsh unburned powder blowback and facial debris common when shooting standard right-handed uppers left-handed. Built for maximum downrange consistency and matched field longevity, it delivers home builders a streamlined, rugged solution optimized for continuous service operations.