Primary Weapons Systems MK114 5.56 NATO Rifle

Description

Product Overview

The Primary Weapons Systems MK114 is a 5.56 NATO piston-driven rifle built on the M4/M16 ergonomics, using PWS’s long-stroke piston system to reduce fouling and improve reliability compared to conventional direct impingement designs. It features an enhanced charging system, an innovative rail approach designed for modular rail replacement without removing the barrel, and Magpul MBUS iron sights.

Key Features

• Long-stroke piston operating system for reduced fouling and rugged reliability
• 16.1-inch barrel with a permanently pinned SM556 muzzle device
• Stainless steel 1:8 twist barrel with Isonite-treated, button-rifled finish
• Mil-spec upper and lower receiver with enhanced bolt carrier group
• Modular rail system using Magpul XT rail panels for easier armorer serviceability
• Magpul MBUS iron sights included and Magpul MOE stock and grip for familiar handling

If you want a piston-driven 5.56 NATO rifle that keeps the feel of an AR-platform carbine while prioritizing durability, the MK114 is built for that role.