PRO2A LEFT HAND 7.5" 300 Blackout 1/7 or 1/5 Pistol Length Melonite M-LOK AR-15 Upper with Flash Can

Product Overview

The PRO2A LEFT HAND 7.5" 300 Blackout Pistol Length Melonite M-LOK AR-15 Upper with Flash Can brings dedicated southpaw mechanics to a powerhouse close-quarters configuration. Engineered strictly for left-handed shooters, this complete upper uses mirrored receiver architectural geometry to reliably shield your eyes and face from spent brass and expanding gases. Built around a highly compact 7.5-inch barrel with your choice of a versatile 1/7 or hyper-stabilizing 1/5 twist rate, this assembly is optimized to wring out match-grade performance from heavy subsonic suppressed loads and high-velocity rounds alike. Completed with a slimline flash can, it maximizes control by channeling blast concussion cleanly forward and away from the shooter.

Key Features

True Left-Handed Ejection Geometry: Mirror-image port placement throws hot casings and powder blowback strictly to the left side, keeping your sightline entirely unobstructed.
Customizable Twist Profiles (1/7 or 1/5): Choose standard 1/7 for general supersonic utilities or the aggressive 1/5 fast twist to cleanly stabilize heavy grain subsonic projectiles.
Concussive Slimline Flash Can: Directs muzzle report, blast energy, and explosive flash safely forward, preserving comfortable peripheral awareness.
Rugged QPQ Melonite Barrel Armor: Liquid nitride treatment hardens critical wear zones, safeguarding performance, ensuring simple maintenance, and preventing early throat erosion.
Reliable Pistol Length Gas Network: Meticulously port-tuned to supply soft, consistent cyclic pressures while mitigating snappy short-barrel bolt carrier velocities.
Free-Float Slim M-LOK Handguard: Isolates barrel harmonics from external hand pressure while hosting an expansive top Picatinny rail and clear M-LOK mounting real estate.

Technical Specifications

Receiver Orientation:	True Left-Handed / Left Ejection Port
Caliber / Chamber:	.300 AAC Blackout (300 BLK)
Barrel Length:	7.5 Inches
Barrel Material:	4150 Chrome Moly Vanadium Steel
Twist Rate Options:	1:7 Twist or 1:5 Twist (Selectable)
Barrel Finish:	QPQ Melonite / Black Nitride Finish
Gas System Length:	Pistol-Length System with 0.750" Low Profile Gas Block
Muzzle Device:	Slimline Muzzle Blast Flash Can (5/8x24 TPI)
Upper Receiver Type:	Left-Hand Billet Aluminum (Type III Hardcoat Anodized)
Handguard Type:	9.5 Inch Ergonomic Slim Free-Float M-LOK Rail System with Continuous Top Rail
Manufacturing Origin:	100% Made in the USA

Why Choose This Product?

Traditional right-handed short-barreled rifles subject left-handed shooters to severe gas blowback and facial brass deflection—especially when suppressed. This PRO2A upper solves this safety dilemma at its architectural root with premium USA-made craftsmanship. By merging a micro-footprint 7.5" platform with precision fast-twist barrel options and a muzzle blast redirection setup, it provides southpaw marksmen an uncompromised defense, survival, or range configuration that cycles smoothly without the layout trade-offs of legacy assemblies.