Primary Weapons Systems 14.5″ MK114 MOD 1-M Upper – .223 Wylde

The MK1 MOD 1-M upper features the PWS long stroke piston system. Internally, this line offers the tried and true system that PWS owners have grown to know and love. Featuring a free-float MLOK handguard, forward assist controls, and a more true to mil-spec design, the MK1 MOD 1-M line is a go-to for not only civilians, but also Law Enforcement. With the fully forged upper, the MK1 MOD 1-M is a no-nonsense tool for when you need a high value option that is relentless and unstoppable.

Features

• SKU: 18-M114UA0B UPC: 811154030368
• Operating System: PWS Long Stroke Piston System, 3 setting Adjustable Gas Regulator
• Caliber: .223 Wylde
• Barrel Length: 14.5”
• Gas System Length: Mid-Length
• Barrel Twist Rate: 1:8
• Muzzle Velocity: 2921 fps
• Muzzle Device: PWS FSC 556 (pinned & welded)
• Upper Receiver: PWS Proprietary Piston Upper, T6 7075 Forged, Anodized
• Handguard: PWS M-Lok™ 13.624” Handguard (1.7” width, 2.25” height)
• Charging Handle: Radian Raptor™ Ambidextrous Charging Handle