ELITE 556k Back Pressure Regulator
The OSS ELITE 556k is an integrated flush mount Back Pressure Regulator (BPR) ideal as a standalone, almost hear safe, suppression device for shooters looking for some sound suppression, reduced recoil and flash and minimal added length and weight.

Operators Suppressor Systems
View more by Operators Suppressor SystemsOSS’s patented Flow-Through technology delivers the unmatched performance that meets the weapon and mission requirements of military, SOF, LE and tactical professionals around the world.

GSA Exclusive
Built with titanium, stainless steel, and cobalt and utilizing OSS Generation V Flow-Through technology, the ELITE 556k reduces backpressure, blowback, sound and flash signature. Overlapping the barrel 3.2 inches, the ELITE 556k mini-suppressor takes the edge off shooting from 5.56mm platforms.