The Grand Power Stribog SP9A3S with a non-reciprocating charging handle and roller delayed operation is one of the most highly rated and highly reviewed guns on the market due to it's rugged design and incredible reliability. The Stribog comes with a 1/2x28 threaded barrel making it simple to mount your suppressor of choice. Wherever you look, the Stribog gets rated ,Best Value, on the market and ,Incredibly Reliable, time and time again. The best value on the market, refined and now an even better value.