PWS AR Pistols for Sale

Primary Weapons Systems, Inc., based in the United States, established its standing in AR pistols in 2009 with the compact 7.75-inch MK107 “Diablo” concept and, by the mid-2010s, expanded into complete short‑barreled pistols that remain a core focus. PWS AR pistols are defined by a proprietary long-stroke piston with a carrier‑integral operating rod and a multi‑position adjustable gas block, prioritizing dependable cycling in 7.75–11.85 inch barrels, reduced bolt‑carrier fouling, and ambidextrous, lightweight Mod 2‑M receivers that are well suited to suppressed or unsuppressed use.