SIG SAUER HEXIUM 300 AAC BLACKOUT RIFLE SUPPRESSOR The new SIG SAUER HEXIUM line of suppressors brings low back pressure and quiet, clean tones to your favorite firearm platform. Versatile, durable, and supported by the best warranty in the industry, SIG SAUER's HEXIUM line was engineered for demanding shooters with high expectations for suppressor performance. Utilizing SIG SAUER's advanced additive manufacturing techniques, state-of-the art computer analysis and industry leading testing equipment, the HEXIUM line of suppressors brings true performance and sound quality to shooters everywhere. For easy compatibility across platform Mfg: Sig Sauer, Inc.