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PRO2A 20" 5.56 NATO 1/7 Rifle Length NR Side Charging Melonite M-LOK AR-15 Upper Kit

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PRO2A 12.5" 5.56 NATO 1/7 Mid length Melonite M-LOK AR-15 Upper with Flash Can

Rating:
100 % of 100
Special Price $319.99 $499.99
Availability:
In stock
SKU
P2A556GFS15MID125CAN-KAK
PRO2A 12.5" 5.56 NATO 1/7 Mid Length Melonite M-LOK AR-15 Upper with Flash Can

PRO2A 12.5" 5.56 NATO 1/7 Mid Length Melonite M-LOK AR-15 Upper with Flash Can

Product Description

Achieve the perfect balance of compact agility, reliable dwell time, and controlled muzzle dynamics with the PRO2A 12.5" 5.56 NATO Mid-Length AR-15 Upper with Flash Can. Engineered specifically to mitigate blast concussion on shorter barrels, the integrated linear flash can forces concussive gases and noise forward away from the operator. This premium upper pairs a meticulously headspaced 12.5-inch precision barrel with an uncommon, ultra-smooth mid-length gas system.

Key Features

  • Smooth Mid-Length Gas Dynamics: Rare for a 12.5-inch barrel configuration, the mid-length system softens the recoil impulse, drops peak port pressures, and preserves system longevity compared to harsh carbine or pistol gas systems.
  • Forward-Directed Flash Can: Slimline linear muzzle flash can directs blast energy downrange, significantly improving operator comfort and comfort for surrounding shooters on the firing line.
  • QPQ Melonite Extreme Armor: Barrel bore, chamber, and exterior are fully liquid nitrocarburized to exceed mil-spec chrome lining in surface hardness, heat dissipation, and corrosion resistance.
  • Slim Profile M-LOK Workspace: Features a continuous top Picatinny rail interface seamlessly blended into a 12-inch free-floating M-LOK handguard that partially recesses the flash can for a clean, streamlined look.

Technical Specifications

Caliber / Chambering5.56 NATO (Fully compatible with .223 Remington)
Barrel Length / Steel12.5 Inches / 4150 Chrome Moly Vanadium (CMV) Steel
Barrel Finish & ProfileQPQ Melonite / Black Nitride (Internal & External) — Medium Profile
Twist Rate 1:7 Twist
Gas System MechanicsMid-Length Direct Impingement with a 0.750" Low-Profile Steel Gas Block
Upper ReceiverMilspec 7075-T6 Forged Aluminum, M4 Feed Ramps, Type III Hardcoat Anodized, Forward Assist & Dust Cover
Handguard System15-Inch Free-Float 6061-T6 Aluminum M-LOK Rail
Muzzle ConfigurationSlimline Linear Flash Can (Concussive Diffuser) / 1/2-28 TPI Thread Pitch
Manufacturing Origin100% Designed, Machined, and Assembled in the United States
Warranty ProtectionBacked by Pro2A Tactical's Structural Lifetime Warranty

Why Choose This Product?

The PRO2A 12.5" 5.56 NATO Mid-Length Kit solves the historical challenges of building compact modern sporting platforms. Standard short-barreled setups suffer from excessive gas port wear and violent cycling due to shorter carbine gas configurations. By employing an optimized mid-length gas system, this platform drops dwell-time pressures down to smooth, reliable thresholds. When paired with an integrated flash can that drives concussion downrange, it transforms a typically loud, harsh platform into an incredibly flat-shooting, pleasant-handling environment. Built entirely in America with strict technical tolerances and guarded by a comprehensive Lifetime Warranty, it stands out as an elite choice for those demanding high reliability and smooth operational durability from a compact system.

More Information
SKU P2A556GFS15MID125CAN-KAK
Barrel Length 12.5 inch
Rifle Caliber 5.56 NATO
Manufacturer Pro2A Tactical
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