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6 inch LEFT HAND 300 Blackout NR Side Charging Upper Kit

PRO2A LEFT HAND 6" 300 Blackout 1/7 Pistol Length NR Side Charging Melonite AR-15 Upper Kit - Suppressor Ready

6 inch LEFT HAND 300 Blackout Melonite Upper Kit

PRO2A LEFT HAND 6" 300 Blackout 1/7 Pistol Length Melonite M-LOK AR-15 Upper with Flash Can Kit

PRO2A LEFT HAND 6" 300 Blackout 1/7 Pistol Length Melonite M-LOK AR-15 Upper Kit - Suppressor Ready

Special Price $509.99 $749.99
Availability:
In stock
SKU
P2AL300BLKBW5PIS6-BA-KIT
PRO2A Left Hand 6" 300 Blackout Melonite M-LOK Suppressor Ready Upper Kit

PRO2A LEFT HAND 6" 300 Blackout 1/7 Pistol Length Melonite M-LOK AR-15 Upper Kit - Suppressor Ready

Product Description

Build a high-performance, ultra-compact host for your favorite silencer with the PRO2A LEFT HAND 6" 300 Blackout Suppressor Ready Upper Kit. Purpose-built for left-handed operators, this micro PDW package features a mirrored left-ejecting receiver profile and a matching left-hand M16 bolt carrier group. By routing gas pressure and spent casings safely down the left side, it solves the severe gas blowback that southpaws traditional suffer when running right-handed firearms suppressed. The 6-inch barrel is explicitly threaded and contoured for suppressor installation, while a standard 5-inch M-LOK handguard keeps the muzzle exposed for quick attachment mounting. This complete build kit arrives with all lower completion components to seamlessly turn your standard stripped lower into an elite quiet weapon system.

Key Features

  • True Left-Hand Architecture: Dedicated left-side ejection layout eliminates facial gas blowback and crossing casing paths for left-handed operators.
  • Suppressor-Ready Design: Features a short 5-inch handguard paired with a 6-inch barrel, allowing direct access to the muzzle threads for easy mounting of direct-thread or quick-attach silencer muzzle systems.
  • Tuned Pistol-Length Gas Curve: Engineered to cycle reliably with both subsonic and supersonic ammunition setups, especially when backpressure is introduced by a suppressor.
  • Premium QPQ Melonite Protection: Liquid-nitride hardened 4150 Chrome Moly Vanadium steel barrel provides severe corrosion resistance, excellent throat life, and extreme structural durability.
  • Turn-Key Lower Completion Bundle: Arrives alongside a full lower parts kit, fire control group, and a high-density adjustable pistol blade assembly to finish your custom project out of the box.

Technical Specifications

Upper ReceiverBillet Aluminum, M4 Feed Ramps, (Dedicated Left-Hand Ejection Port Setup), Type III Hardcoat Anodized Black
Charging HandleStandard Mil-Spec Charging Handle
Bolt Carrier GroupMilspec Left-Hand M16 Full Auto Profile, .300 AAC Blackout Caliber, QPQ Nitride/Melonite Treated, MPI Tested, 8620 Carrier with 9310 Steel Bolt
Barrel Length & Profile6-Inch Medium Profile, Suppressor Ready (Exposed Muzzle Threads Setup)
Caliber.300 AAC Blackout (Safely accepts both Subsonic and Supersonic factory loads)
Twist Rate1:7 Twist Rate (Highly optimized for stabilizing heavy subsonic match projectiles and standard defense hunting loads)
Barrel Material4150 Chrome Moly Vanadium Steel with QPQ Melonite Nitride Finish
Gas SystemPistol Length Direct Impingement with Low-Profile Gas Block
Handguard5-Inch Free Float Slim Profile M-LOK Handguard Rail System
Muzzle DeviceStandard A2 Flash Hider, 5/8-24 TPI
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?

Running standard right-handed short-barreled uppers with a suppressor forces significant gas and debris directly back toward a left-handed shooter's face. Pro2A Tactical eliminates this hazard entirely. By matching true left-handed mechanics with a dedicated suppressor-ready barrel setup, this complete, American-made kit yields a safe, ultra-compact, and incredibly quiet defensive platform designed explicitly for southpaw requirements.

More Information
SKU P2AL300BLKBW5PIS6-BA-KIT
Barrel Length 6 inch
Rifle Caliber 300 Blackout
Manufacturer Pro2A Tactical
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