Buy PWS MK114 MOD 2 Rifle 6mm ARC (Pinned & Welded) – Premium Long-Stroke Piston Precision Rifle
The Primary Weapons Systems (PWS) MK114 MOD 2 Rifle in 6mm ARC (Pinned) is engineered for shooters who want maximum long-range performance in a compact, legally compliant package. With its 14.5″ barrel pinned and welded to 16″ overall length, this rifle delivers outstanding ballistics while remaining easy to maneuver.
Chambered in the modern 6mm ARC cartridge, this rifle provides a flat trajectory, minimal recoil, reduced wind drift, and excellent terminal performance — making it ideal for precision shooting, hunting, and tactical applications out to 800+ yards.
Key Features:
- Operating System: PWS Long-Stroke Piston System with 3-position adjustable gas regulator
- Barrel: 14.5″ 6mm ARC chamber, 41V50 steel, 1:7.5 twist, nitrided — Pinned & Welded muzzle device for 16″ overall legal length
- Handguard: PWS PicLok™ 13.5″+ free-float hybrid handguard (Picatinny + M-LOK)
- Controls: Fully ambidextrous lower receiver with Radian Raptor ambidextrous charging handle
- Muzzle Device: PWS FSC/FRC compensator (permanently pinned & welded)
- Weight: Approximately 6.9 lbs unloaded — lightweight and perfectly balanced
- Trigger: Enhanced mil-spec PTFE-coated trigger for crisp, consistent performance
The long-stroke piston design ensures the rifle runs exceptionally clean with minimal fouling, making it highly reliable for suppressed shooting and high-round-count training. Shooters enjoy significantly lower recoil and faster follow-up shots compared to standard gas-impingement rifles.
Whether you’re a competitive precision shooter, hunter, or tactical enthusiast, the PWS MK114 MOD 2 6mm ARC (Pinned) offers best-in-class performance in a reliable, modern AR-15 platform.
In stock and ready to ship. Order your PWS MK114 MOD 2 6mm ARC Pinned Rifle today with full manufacturer warranty and fast, secure shipping.


















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