Integral Weapons Systems featuring Eugene Stoner’s final redesign and innovations!

A retro-revolutionary 5.56x45mm U.S. military classic that broke all the rules!

Ultra-reliable and accurate piston-operated tactical carbine!

Full-sized battle rifle that goes beyond the typical AR mold!

DEA’s carbine built for high-threat situations!

Cruiser-ready piston carbine packing a heavy-duty 5.56mm punch!

Professional grade reconnaissance carbine — ready for any and all situations!

Piston-Driven Systems in pistol and carbine form taking the battlefields by storm!

Primary Weapons Systems’ first complete piston-driven carbine!

Spike’s Tactical ST Compressor is finally the tactically useful, short barreled AR that eliminates the buck and blast familiar with ...