The HELIX 7.62 IFM7 suppressor is an integrated flush mount system that regulates backpressure and reduces sound and flash signature in a single unit while offering greater modularity for use on multiple rifles. Built with titanium, stainless steel, aluminum and cobalt, the HELIX 7.62 IFM7 suppressor delivers effective strength to weight. The IFM7 also include a separate mounting device - the STS-Muzzle Brake. And with the purchase of additional STS-Muzzle Brakes in various calibers and thread patterns,, the IFM7 can be quickly switched between your guns. Just thread the IFM7 onto the STS-Muzzle Brake, hand tighten and you're ready to shoot. The self-tightening desi Mfg: Operators Suppressor Systems