Primary Weapons Systems

The patented FSC compensator was designed to be an effective compensator for shooters in all situations. Offering recoil reduction as a primary function, and flash…

Primary Weapons Systems was formed by firearm enthusiasts in 2008. Starting out by producing muzzle devices, they tested their compensators on all different types of…

Primary Weapons Systems was formed by firearm enthusiasts in 2008. Starting out by producing muzzle devices, they tested their compensators on all different types of…

Primary Weapons Systems was formed by firearm enthusiasts in 2008. Starting out by producing muzzle devices, PWS tested there compensators on all different types of…

The MK1 MOD 1-M line, revamped for 2018, features the PWS long stroke piston system. Internally, this line offers the tried and true system that…

The PWS MK1 MOD 2-M line, revamped for 2018, features the PWS long stroke piston system. While the internals remain the same as other PWS…