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10.5 inch 300 Blackout Left Hand Upper Kit | Pro2a Tactical

PRO2A LEFT HAND 10.5" 300 Blackout 1/7 or 1/5 Pistol Length Melonite AR-15 Upper Kit

12.5 inch 300 Blackout Left Hand Side Charging Upper Kit

PRO2A LEFT HAND 12.5" 300 Blackout 1/8 Pistol Length NR Side Charging Melonite AR-15 Upper Kit

PRO2A LEFT HAND 10.5" 300 Blackout 1/7 or 1/5 Pistol Length Melonite AR-15 Upper with Flash Can Kit

Special Price $509.99 $759.99
Availability:
In stock
SKU
P2AL300BLKGFS12PIS105CAN-TK-KIT
PRO2A Left Hand 10.5" 300 Blackout Melonite M-LOK Upper Kit with Flash Can

PRO2A LEFT HAND 10.5" 300 Blackout 1/7 or 1/5 Pistol Length Melonite AR-15 Upper with Flash Can Kit

Product Description

Optimize your compact tactical footprint while maintaining absolute ergonomic safety. The PRO2A LEFT HAND 10.5" 300 Blackout Upper Kit with Flash Can delivers a tailored, high-performance configuration engineered natively from the ground up for left-handed operators. Utilizing a mirrored left-ejecting receiver profile and a matching left-hand M16 bolt carrier group, this complete package routes hot gases and spent casings safely down the left side, keeping your line of sight completely clear. The 10.5-inch medium profile barrel extracts excellent velocity and muzzle energy parameters from the versatile 300 Blackout round, while the recessed slimline flash can drives hard muzzle blast and concussion vectors directly downrange. Combined with an all-inclusive lower receiver conversion kit, this package simplifies your entire custom build project.

Key Features

  • True Left-Hand Architecture: Dedicated left-side ejection layout eliminates facial gas blowback and crossing casing paths for left-handed operators.
  • Tailored Twist Rate Versatility: Available in a 1:7 or fast-twist 1:5 parameters choice to stabilize everything from standard supersonic ammunition to heavy-weight subsonic match projectiles.
  • Forward-Directing Slimline Flash Can: Tames harsh muzzle blast from a shorter barrel configuration, pushing severe acoustics and concussive energy safely downrange.
  • Extended 12-Inch M-LOK Handguard: Precision aluminum handguard completely encloses the flash can for a clean, continuous grip profile and reliable accessory mounting space.
  • Turn-Key Lower Completion Package: Arrives with a complete fire control lower build kit and an adjustable stabilizing blade assembly to streamline your entire project.

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 & Profile10.5-Inch Medium Profile
Caliber.300 AAC Blackout (Safely accepts both Subsonic and Supersonic factory loads)
Twist Rate1:7 or 1:5 Twist Rate Option (Highly optimized for stabilizing standard to heavy-weight hunting and match projectiles)
Barrel Material4150 Chrome Moly Vanadium Steel with QPQ Melonite Nitride Finish
Gas SystemPistol Length Direct Impingement with Low-Profile Gas Block
Handguard12-Inch Free Float Slim Profile M-LOK Handguard Rail System
Muzzle DeviceSlimline Flash Can (5/8x24 Thread Pitch)
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?

The 10.5-inch barrel configuration provides the ideal balance of complete powder combustion and velocity extraction for the 300 Blackout cartridge, but running standard right-handed short uppers sends concussive blast right toward a southpaw shooter's face. Pro2A Tactical eliminates this hazard entirely. By matching true left-handed mechanics with an extended 12-inch handguard and forward-directing flash can setup, this complete, American-made kit yields a safe, stable, and highly capable defensive platform.

More Information
SKU P2AL300BLKGFS12PIS105CAN-TK-KIT
Barrel Length 10.5 inch
Rifle Caliber 300 Blackout
Manufacturer Pro2A Tactical
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