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5 inch AR-15 300 Blackout Melonite M-LOK Upper Suppressor Ready | Pro2a Tactical

PRO2A 5" 300 Blackout 1/5 Micro Length Melonite M-LOK AR-15 Upper - Suppressor Ready

PRO2A 5" 5.56 NATO 1/5 Micro Length Melonite M-LOK AR-15 Upper - Suppressor Ready

Rating:
91 % of 100
Special Price $269.99 $439.99
Availability:
In stock
SKU
P2A556AX4MIC5-HT
PRO2A 5" 5.56 NATO 1/5 Micro Length Melonite M-LOK AR-15 Upper - Suppressor Ready

PRO2A 5" 5.56 NATO 1/5 Micro Length Melonite M-LOK AR-15 Upper - Suppressor Ready

Product Description

Shrink your footprint to the absolute minimum without sacrificing standard cycling configuration stability. The PRO2A 5" 5.56 NATO Micro Length Upper delivers premium Personal Defense Weapon (PDW) engineering in an ultra-short profile. Built around a precision-machined 7075-T6 forged upper receiver and standard right-side ejection architecture, this assembly features a 5-inch 4150 CMV medium profile barrel. It utilizes an ultra-fast 1:5 twist rate to maximize rotational stabilization for heavy or short-barrel projectile trajectories, preventing keyholing out of a micro package. The barrel is explicitly contoured and left exposed by a short 4-inch free-float handguard, ensuring clean structural real estate to directly mount quick-attach or direct-thread suppressors.

Key Features

  • Ultra-Fast 1:5 Twist Rate: Precision-engineered rotational torque stabilizes standard and heavy-grain 5.56/.223 projectiles cleanly out of a micro-length barrel profile.
  • Suppressor-Ready Engineering: A compact 4-inch M-LOK handguard leaves muzzle threads entirely exposed, allowing seamless mounting and removal of suppressors and muzzle accessories without rail interference.
  • Micro-Length Gas Management: Fine-tuned micro direct impingement gas system provides predictable dwell times and smooth cycling pressure curves.
  • Premium QPQ Melonite Protection: Liquid bath nitride treated 4150 Chrome Moly Vanadium steel core delivers supreme friction defense, deep weather proofing, and long throat life.
  • 100% Made in the USA: Assembled to tight manufacturing tolerances in Georgia, backed by premium custom-shop engineering quality.

Technical Specifications

Upper ReceiverMilspec Forged 7075-T6 Aluminum, M4 Feed Ramps, Forward Assist & Dust Cover, Type III Hardcoat Anodized Black
Barrel Length & Profile5-Inch Medium Profile, Suppressor Ready (Exposed Muzzle Threads Setup)
Caliber5.56 NATO (Safely accepts both 5.56x45mm NATO and .223 Remington factory loads)
Twist Rate1:5 Twist Rate (Highly optimized for heavy-grain projectiles and ultra-short barrel stabilization)
Barrel Material4150 Chrome Moly Vanadium Steel with QPQ Melonite Nitride Finish
Gas SystemMicro Length Direct Impingement with Low-Profile Gas Block
Handguard4-Inch Free Float Slim Profile M-LOK Handguard Rail System
Muzzle DeviceStandard A2 Flash Hider, 1/2x28 TPI

Why Choose This Product?

Building a micro 5.56 PDW often causes stabilization and rail clearance headaches when mounting a silencer. Pro2A Tactical fixes this by pairing a fast 1:5 twist rate barrel with a short 4-inch free-float M-LOK handguard. This configuration exposes the muzzle threads completely for fast attachment changes, creating an incredibly small, reliable weapon system that slides perfectly onto your existing AR-15 lower receiver.

More Information
SKU P2A556AX4MIC5-HT
Barrel Length 5 inch
Rifle Caliber 5.56 NATO
Manufacturer Pro2A Tactical
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