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18 inch 6.8 SPC II AR-15 Upper Kit | Left Hand

PRO2A LEFT HAND 18" 6.8 SPC II 1/11 Mid Length Melonite M-LOK AR-15 Upper Kit

22" Left hand 6.8 SPC II NR Side Charge Upper Kit

PRO2A LEFT HAND 22" 6.8 SPC II 1/11 Rifle Length NR Side Charging Melonite M-LOK AR-15 Upper Kit

PRO2A LEFT HAND 22" 6.8 SPC II 1/11 Rifle Length Melonite M-LOK AR-15 Upper Kit

Special Price $609.99 $769.99
Availability:
In stock
SKU
P2AL68SPCAX15RIF22-TK-KIT
PRO2A LEFT HAND 22" 6.8 SPC II 1/11 Rifle Length Melonite M-LOK AR-15 Upper Kit

PRO2A LEFT HAND 22" 6.8 SPC II 1/11 Rifle Length Melonite M-LOK AR-15 Upper Kit

Product Description

Master your custom build from a true southpaw perspective with the fully comprehensive PRO2A LEFT HAND 22" 6.8 SPC II Rifle Length Melonite M-LOK AR-15 Upper Kit. This complete, all-inclusive builder layout contains every single mechanical internal component, lower control interface, and stock extension sub-assembly required to transform a stripped lower receiver into a fully operational, left-handed precision hunting rifle. Anchored by an extended 22-inch heavy barrel and optimized left-side ejection orientation, this kit isolates hot gas blowback and spent casings away from your field of view.

Key Features

  • All-Inclusive Southpaw Bundle: Combines a factory-assembled true left-handed upper half, matched left-hand bolt group, charging handle, full single-stage lower control parts kit, and a complete rear buffer extension setup.
  • Maximized 22" Ballistic Profile: Extends the physical acceleration column to extract maximum muzzle velocity, superior downrange kinetic energy, and remarkably flat trajectories out of the hard-hitting 6.8 SPC II caliber.
  • Refined Rifle-Length Gas Dynamics: Softens the overall recoil impulse and dramatically slows component wear compared to over-gassed shorter configurations by optimizing internal pressure dwell time.
  • QPQ Melonite Hardened Protection: Inside barrel bore, chamber throat, and exterior walls are fully liquid nitrocarburized to maximize surface hardness, improve thermal dissipation, and resist extreme environmental degradation.
  • Complete Stock and Control Systems: Outfitted with an expandable 6-position receiver extension assembly and a crisp, mil-spec single-stage lower parts kit for flawless mechanical ignition.

Technical Specifications

Caliber / Chambering6.8 SPC II (6.8x43mm)
Upper Receiver HousingMilspec Left-Handed Ejection Profile, Billet Aluminum, Type III Hardcoat Anodized with Machined M4 Feed Ramps
Bolt Carrier Group (BCG)Premium Matched Left-Handed 6.8 SPC Bolt Assembly & Left-Ejecting Full-Auto M16 Profile Carrier, Nitride Finish
Charging HandleStandard Mil-Spec Aluminum Charging Handle
Barrel Length / Steel22 Inches / 4150 Chrome Moly Vanadium (CMV) Steel
Barrel Finish & ProfileQPQ Melonite / Black Nitride Finish (Internal & External) — Medium Profile
Twist Rate / Feed Ramps1:11 Inches Right-Hand Twist / Precision Machined M4 Feed Ramps
Gas System MechanicsRifle-Length Direct Impingement with a 0.750" Low-Profile Steel Gas Block
Handguard System15 Inch Slim Free-Float Aluminum Modular M-LOK Rail with Continuous Top Rail
Muzzle Device5/8x24 TPI A2 Flash Hider
Lower Parts Kit (LPK)Full Mil-Spec Lower Components (Trigger, Hammer, Pins, Springs, Safety Selector, and Ergonomic Pistol Grip)
Stock & Buffer AssemblyComplete 6-Position Milspec Receiver Extension Tube, Carbine Buffer, Recoil Spring, Castle Nut, Endplate, and Collapsible M4 Buttstock
Manufacturing Origin100% Designed, Machined, and Assembled in the United States
Warranty CoverageProtected by Pro2A Tactical's Structural Lifetime Warranty

Why Choose This Product?

The PRO2A LEFT HAND 22" 6.8 SPC II Rifle Length complete kit provides left-handed shooters with a painless path to an optimized hunting tool, eliminating the hassle of hunting down scarce mirrored parts piece-by-piece. Standard right-hand eject systems throw burning propellant gas and hot casings right through a southpaw's line of sight, creating an uncomfortable shooting experience. This comprehensive kit addresses those issues entirely by combining a mirrored upper receiver with a matched, factory-headspaced left-handed bolt engine, and pairing them instantly with a complete lower components bundle. It strips away the logistical headaches of custom firearm building, allowing you to drop everything directly into a standard stripped lower receiver. Made in America and protected by a Structural Lifetime Warranty, it stands out as an uncompromised solution for custom precision builds.

More Information
SKU P2AL68SPCAX15RIF22-TK-KIT
Barrel Length 22 inch
Rifle Caliber 6.8 SPC II
Manufacturer Pro2A Tactical
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