PRO2A Left Hand 8.5" 300 Blackout Upper with Flash Can | PRO2A Tactical

PRO2A LEFT HAND 8.5" 300 Blackout 1/7 Pistol Length Melonite M-LOK AR-15 Upper with Flash Can

Product Overview

The PRO2A LEFT HAND 8.5" 300 Blackout 1/7 Pistol Length Melonite M-LOK AR-15 Upper with Flash Can brings optimized personal defense capability and elite demographics into a compact, specialized package. Chambered in the highly adaptable .300 AAC Blackout cartridge, this upper receiver assembly utilizes a mirrored left-ejection design to route hot spent brass and high-pressure gas blowback safely away from left-dominant eyes. To tame the raw concussive blast inherent to short-barreled setups, this model incorporates an integrated, project-forward linear Flash Can muzzle device tucked cleanly beneath the handguard. This configuration yields maximum maneuverability and severe close-range energy, making it an exceptional choice for modern personal defense weapons or a dedicated truck gun build.

Key Features

True Left-Hand Architecture: Features a dedicated left-ejecting upper receiver and a matched left-handed bolt carrier group to eliminate safety distractions and facial gas blowback for southpaw operators.
Linear Flash Can Muzzle Device: Tames severe short-barrel muzzle blast by forcing high-pressure sound energy, thermal expansion, and aggressive concussive shock waves directly downrange away from the operator.
Optimal 8.5-Inch Pistol Profile: Specifically cut to the industry-preferred sweet spot for the 300 Blackout cartridge, securing full powder burn and maximum ballistic performance in an agile envelope.
Fast 1/7 Twist Rifling: Precision-rifled land pitch engineered to provide exceptional rotational stabilization for heavy subsonic defensive loads and standard supersonic ammunition alike.
QPQ Melonite Surface Hardening: Premium Salt Bath Nitride finish shields internal rifling and external steel surfaces against corrosive moisture, rapid thermal transfer, and surface scoring.
Slim Free-Float Modular Handguard: Enhances intrinsic accuracy by isolating barrel harmonics while supplying modular M-LOK attachment slots and an expansive top Picatinny rail.

Technical Specifications

Receiver Orientation:	True Left-Handed / Left Ejection Port Architecture
Muzzle Device:	5/8-24 TPI Slimline Linear Flash Can (Blast Forwarder Device) Tucked Under Rail
Caliber / Chamber:	300 AAC Blackout (300 BLK)
Barrel Length & Contour:	8.5 Inches Medium Taper Contour
Barrel Material:	4150 Chrome Moly Vanadium Steel - Made for us by Tactical Kinetics
Twist Rate:	1:7 Twist
Barrel Coating Finish:	QPQ Melonite / Black Nitride Corrosion-Resistant Exterior and Interior Lining
Gas System Length:	Pistol-Length Gas System with 0.750" Low Profile Gas Block
Upper Receiver Type:	Left-Hand Specific Billet Aluminum Receiver Layout (Type III Hardcoat Anodized)
Handguard Profile:	10 Inch Slim Free-Float Modular M-LOK Rail Layout (Extended layout to partially tuck Flash Can)
Manufacturing Origin:	100% Proudly Made in the USA

Why Choose This Product?

The 300 Blackout cartridge is highly respected for delivering heavy-hitting energy with incredibly low recoil from short barrels, making it a stellar option for a modern personal defense weapon. However, traditional right-handed configurations force left-handed shooters to deal with heavy carbon exhaust gas blowback and hot brass flying past their face, while short configurations generate punishing side concussion. The PRO2A Left Hand 8.5" Upper with Flash Can completely solves these challenges. It combines uncompromised left-handed mechanics with an advanced blast-forwarding linear can that channels sound pressure and shock directly downrange away from your ears. Blending premium US-made 4150 steel construction, a high-durability Melonite barrel lining, a matched true left-hand BCG, and a stable 8.5-inch envelope, this upper receiver assembly gives southpaw operators a smooth-cycling, highly integrated tactical powerhouse ready for field use straight out of the box.

More Information

More Information
SKU	P2AL300BLKBW10PIS85CAN-TK
Barrel Length	8.5 inch
Rifle Caliber	300 Blackout
Manufacturer	Pro2A Tactical

Reviews