Primary Weapons Systems was formed by firearm enthusiasts in 2008. Starting out by producing muzzle devices, we tested our compensators on all different types of rifles - from M4s to AK-47s. After using both styles of rifles in testing with high round counts, the difference in maintenance needed was both astounding.

While the UXR is compatible with most AR-15 triggers, PWS partnered with TRIGGERTECH to bring an extremely crisp and reliable adjustable trigger to the platform right out of the box. The UXR features a reversible folding stock mount on a picatinny/1913/STANAG rail mount interface.

The MK116 MOD 2-M operates on the highly acclaimed PWS Long Stroke Piston System, renowned for its reliability and reduced fouling. The inclusion of a 3-setting Adjustable Gas System allows users to fine-tune gas flow, ensuring optimal performance in diverse shooting conditions as well as optimizing it for suppressor use.

PWS rifles are highly evolved AR-style weapons built with end-user performance in mind. Find the affordably priced full line up in stock at Omaha Outdoors.

Omaha Outdoors has the complete line of Primary Weapons Systems MK1 rifles for sale. The PWS MK1 AR-15 rifles are available in a variety of configurations and calibers. Find a Mod 1 or Mod 2 long stroke gas rifle for sale here, at Omaha Outdoors.

Primary Weapons Systems (PWS) MK1 Mod 1-M/Pro AR-15 Complete 223 Remington/5.56 NATO Lower Receiver $

PWS shines with its unique blend of AR-15 accuracy and AK-47 dependability, thanks to its signature long-stroke piston system. With products crafted by those who know shooting best, PWS guarantees gear that truly meets the demands of real-life shooting situations.

2021年9月25日 · 美国的初级武器系统公司（Primary Weapons Systems，PWS）就是一个专门设计长行程活塞的AR15的公司，他们的代表作就是PWS MK1系列步枪，一个使用长行程活塞+枪机旋转式闭锁的AR15步枪。

Shop Primary Weapons Systems (PWS) for premium, reliable firearms and accessories designed for superior performance and durability. Discover innovative, precision-engineered rifles, pistols, and parts built to enhance your shooting experience, trusted by …

Featuring an ultra-reliable long-stroke piston system, the PWS upper for sale blends the steadfast AR system with the influences of the AK platform to deliver an upper receiver of phenomenal performance. PWS uppers come in several calibers, including 223 Wylde, 300 Blackout, 7.62x39, 5.56 NATO, 308 Match, and 9mm, as well as many barrel lengths.