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13.7 inch 5.56 NATO Left Hand Upper Kit | Pro2A Tactical

PRO2A LEFT HAND 13.7" 5.56 NATO 1/7 Mid Length Melonite M-LOK AR-15 Upper Kit

13.7 inch 5.56 NATO Left hand Upper Kit| Pro2A Tactical

PRO2A LEFT HAND 13.7" 5.56 NATO 1/7 Mid Length Melonite M-LOK AR-15 Upper with Can Kit - Pinned & Welded

PRO2A LEFT HAND 13.7" 5.56 NATO 1/7 Mid Length Melonite M-LOK AR-15 Upper with Flash Can Kit

Special Price $529.99 $769.99
Availability:
In stock
SKU
P2AL556AX15MID137CAN-BA-KIT
PRO2A Left Hand 13.7" 5.56 NATO Mid Length Melonite M-LOK Upper with Flash Can Kit

PRO2A LEFT HAND 13.7" 5.56 NATO 1/7 Mid Length Melonite M-LOK AR-15 Upper with Flash Can Kit

Product Description

The PRO2A Left Hand 13.7" 5.56 NATO Mid Length Melonite M-LOK Upper Kit with Flash Can delivers a highly optimized intermediate rifle completion package engineered specifically for left-handed operators building a versatile defensive firearm. To tame the raw muzzle signature and blast concussion common to shorter barrels, this platform features a linear muzzle device recessed beneath an extended handguard rail, safely routing concussive energy downrange away from the shooter's support hand. Complete with a true left-ejecting forged receiver, dedicated left-handed bolt carrier group, full lower parts completion kit, and adjustable stock assembly, it supplies southpaw builders with a seamless path to finalize their custom build.

Key Features

  • True Left-Hand Port Configuration: Mirrored left-ejection path routes scorching expansion gases and empty shell debris cleanly away from a left-handed shooter's face and eyes.
  • Blast-Forwarding Linear Flash Can: Mitigates harsh lateral concussive waves, combustion blast pressure, and intense muzzle flash by forcing them completely forward downrange toward your targets.
  • All-In-One System Completion: Bundles your high-accuracy intermediate upper assembly with a specialized left-hand BCG, standard charging handle, complete lower parts kit, and an adjustable stock conversion package.
  • Smoother Mid-Length Gas Profile: Combines an optimized mid-length gas port configuration with a 13.7-inch barrel blueprint to offer vastly improved velocity profiles and cleaner, softer cycling stability compared to standard carbine systems.
  • Premium Melonite Structural Defense: Heavy-duty 4150 CMV steel is thoroughly liquid nitrided to secure supreme environmental corrosion resistance and a longer bore throat life.

Technical Specifications

Upper ReceiverBillet Aluminum, M4 Feed Ramps (Dedicated Left-Hand Ejection Port Setup)
Charging SystemStandard Mil-Spec Charging Handle
Bolt Carrier GroupMilspec Left-Hand M16 Full Auto Profile, QPQ Nitride/Melonite Treated, MPI Tested
Barrel Length & Profile13.7-Inch Medium Profile
Caliber5.56 NATO (Safely accepts .223 Remington)
Twist Rate1:7 Twist Rate (Highly optimized for standard 62gr to heavy 77gr match projectiles)
Barrel Material4150 Chrome Moly Vanadium Steel with QPQ Melonite Nitride Finish
Gas SystemMid Length Direct Impingement with Low-Profile Gas Block
Handguard15-Inch Free Float Slim Profile M-LOK Handguard Rail System (Recesses muzzle device cleanly)
Muzzle DeviceSlimline Blast-Forwarding Linear Flash Can (1/2x28 Thread Pitch - Note: Requires pinning and welding to meet 16" OAL if assembling as a non-NFA standard rifle)
Lower Parts KitComplete 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)
Blade AssemblyHigh Density Adjustable Blade, Pistol Buffer Tube (Receiver Extension), Carbine Recoil Buffer, and Spring

Why Choose This Product?

This premium left-handed assembly takes intermediate rifle kinematics and optimizes them for absolute user ergonomics. By combining a smooth mid-length gas structure for improved cycling metrics with an integrated linear Flash Can that routes concussive pressures downrange, it controls the intense physical face blast and lateral port pop common to shooting short right-handed uppers southpaw. Shipped seamlessly with a heavy-duty nitrided left-handed carrier group, complete lower installation small parts, and an adjustable stock completion package, it gives home builders a reliable, streamlined route to an elite tactical weapon platform built for continuous operational longevity.

More Information
SKU P2AL556AX15MID137CAN-BA-KIT
Barrel Length 13.7 inch
Rifle Caliber 5.56 NATO
Manufacturer Pro2A Tactical
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