Buy PWS MK118 MOD 2 Rifle 6mm ARC – Premium 18″ Long-Stroke Piston Precision Rifle
Take your long-range shooting to the next level with the Primary Weapons Systems (PWS) MK118 MOD 2 Rifle in 6mm ARC. This premium piston-driven AR-15 is purpose-built for precision shooters and hunters who demand superior ballistics, minimal recoil, and sub-MOA accuracy at extended distances.
Chambered in the highly efficient 6mm ARC cartridge, the MK118 MOD 2 offers excellent velocity, reduced wind drift, and outstanding terminal performance. The 18-inch 41V50 steel barrel with a 1:7.5 twist rate is optimized to fully exploit the 6mm ARC’s long-range potential, making it ideal for precision competition, hunting, and tactical applications.
Key Features:
- Operating System: PWS Long-Stroke Piston System with 3-position adjustable gas regulator for reliable suppressed and unsuppressed operation
- Barrel: 18″ 6mm ARC chamber, 41V50 steel, 1:7.5 twist, nitrided for maximum durability
- Handguard: PWS PicLok™ 15″+ free-float hybrid handguard (Picatinny + M-LOK compatibility)
- Controls: Fully ambidextrous lower receiver with Radian Raptor ambidextrous charging handle
- Muzzle Device: PWS FRC 2-port compensator (suppressor ready, 5/8×24 threading)
- Weight: Approximately 7.2 lbs unloaded – perfectly balanced
- Trigger: Enhanced mil-spec PTFE-coated trigger for crisp, consistent performance
Thanks to its long-stroke piston design, the MK118 MOD 2 runs exceptionally clean with minimal carbon buildup, making it perfect for high-round-count training and suppressor use. Shooters enjoy significantly reduced recoil and faster follow-up shots compared to standard AR-15 platforms.
Whether you’re engaging steel at 800+ yards, hunting medium game, or want a versatile long-range precision rifle, the PWS MK118 MOD 2 6mm ARC delivers elite performance in a reliable, modern package.
In stock and ready to ship. Order your PWS MK118 MOD 2 6mm ARC Rifle today with full manufacturer warranty and fast, secure shipping.



















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