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6 inch 300 BLACKOUT NR Side Charging Upper | USA MADE

PRO2A 6" 300 Blackout 1/7 Pistol Length NR Side Charging Melonite M-LOK AR-15 Upper with Flash Can

Pro2A Tactical AR-15 9 inch M-LOK Free Float Rail - MAGPUL FDE

PRO2A TACTICAL AR-15 9 INCH M-LOK FREE FLOAT RAIL - FDE COLOR

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

Rating:
90 % of 100
Special Price $609.99 $744.99
Availability:
In stock
SKU
P2ANR300BLKBW5PIS6-BA
PRO2A 6" 300 Blackout Pistol Length NR Side Charging Melonite M-LOK Upper - Suppressor Ready | Pro2A Tactical

PRO2A 6" 300 Blackout Pistol Length NR Side Charging Melonite M-LOK AR-15 Upper - Suppressor Ready

The Ultimate Tucked Suppressor Host with Non-Reciprocating Ergonomics

Build the ultimate micro-footprint Personal Defense Weapon (PDW) optimized directly for dedicated silencer operations. The PRO2A 6" 300 Blackout Pistol Length Non-Reciprocating (NR) Side Charging Upper Assembly (Suppressor Ready) completely modernizes traditional frame ergonomics. By abandoning the standard rear dual-pull tab for a left-side manual charging lever, this upper enables the shooter to manipulate the bolt seamlessly while maintaining a locked-in cheek weld. The handle stays fully stationary during live fire, eliminating moving external parts near your optics. Engineered with an open internal handguard profile, this upper allows your suppressor to partially tuck beneath the rail for a continuous, streamlined look that maximizes barrel protection and mounting real estate. Drops natively onto any standard Mil-Spec AR-15 lower receiver configured as a legal pistol or registered SBR. Proudly 100% designed, machined, and precision-assembled in the USA.

Key Features

  • Stationary Side-Charging Interface: The premium non-reciprocating left-side manual handle operates completely independently from the bolt carrier cycle. This allows for fluid charging from prone or vehicle positions and completely seals off the rear opening to block high-pressure suppressor backpressure gases and carbon fouling from venting back into your face.
  • Dedicated Suppressor-Ready Layout: Designed with an extended free-float handguard that sits near the 6-inch muzzle. This allows a standard-diameter suppressor to be installed, protecting your support hand from direct heat and giving you a longer, continuous top Picatinny accessory space.
  • Ultra-Compact 6-Inch Barrel Profile: Yields the ultimate footprint optimization for quick target transitions, weapon packing, and vehicle deployment while extracting heavy .30-caliber ballistic performance out of the standard 300 AAC Blackout cartridge.
  • Melonite/Nitride Barrel Protection: The heavy-duty 4150 CMV steel barrel is fully Nitride/Melonite treated inside and out. This premium chemical hardening vastly extends barrel life against suppressed shooting carbon buildup, aids in uniform thermal dissipation, and counters harsh weather corrosion.
  • Pistol-Length Gas Tuning: Specifically configured with a low-profile steel gas block and pistol gas tube to capitalize on the unique pressure metrics of the 300 AAC Blackout cartridge, ensuring flawless cycling reliability with subsonic or supersonic loads.

Technical Specifications

Upper Receiver Gibbz Arms G4 Non Reciprocating Side Charging Billet Aluminum Receiver with Gen 2 Handle, M4 Feed Ramps, Type III Hardcoat Anodized Black
Barrel Length & Steel 6 Inch Medium Profile, 4150 Chrome Moly Vanadium Steel, Melonite Treated
Caliber 300 AAC Blackout (300 BLK)
Twist Rate 1:7 Twist (All-around stabilization for supersonic and heavy sub-sonic ammo)
Gas Operating Block Pistol-Length System, Low-Profile Gas Block Machined from 4140 Steel, Stainless Steel Gas Tube
Muzzle Device Standard 300 BLK Thread Pitch (5/8-24 Threads) A2 Flash Hider and Crush Washer
Handguard Structure 5 inch Slim Profile Free-Float M-LOK Handguard with Suppressor Clearance, Machined from 6061-T6 Aluminum
Manufacturing Origin 100% Made in the USA with Pro2A Tactical Lifetime Factory Warranty

Who Chooses This Upper Receiver?

Dedicated Suppressor Hosts & NFA Builders

Shooters building a dedicated quiet platform prefer this tucked 6-inch upper. The side-charging billet design seals the traditional rear handle opening, completely blocking backpressure gas blowback from leaking directly into the shooter's eyes when running a high-backpressure silencer.

Compact Truck Gun & PDW Enthusiasts

Operators looking to build an ultra-compact Personal Defense Weapon (PDW) choose this setup to achieve maximum portability in vehicles, discrete storage packs, or tight quarters while maintaining heavy .30-caliber threat-stopping capabilities.

Oversized Optics & Night Hunters

More Information
SKU P2ANR300BLKBW5PIS6-BA
Barrel Length 6 inch
Rifle Caliber 300 Blackout
Manufacturer Pro2A Tactical
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