The PWS MK107 Piston AR Pistol
Primary Weapons Systems, Inc. (PWS) of Boise Idaho has been in the high-performance AR biz for long enough to have some serious street cred. They are best known for their top shelf MK1 and MK2 series rifles and uppers in addition to their Triad series of flash suppressing compensators. Well PWS has now taken to making an AR-style pistol.
And its piston driven.
Wait, what?
Read the rest in my column at University of Guns
