"Purpose-built for long-range precision shooting and hunting, the Gunwerks 8IGHT Suppressor delivers the highest level of sound suppression with minimal point-of-impact shift. The 8IGHT Silencer is optimized for use with modern magnum hunting cartridges and includes a .30-caliber bore reducer for additional noise reduction; additional bore reducers in 6mm, 6.5mm, and 7mm are available from Gunwerks (not included). It's made from hardened 17-4 stainless steel and features a high-temperature Cerakote finish for the ultimate in corrosion resistance. It includes thread adapters for 1/2""-28 and 5/8""-24 for easy mounting. Purpose-built for precision long-range shooting and hunting Optimized for modern magnum cartridges from 6.5mm to .30-caliber Includes a .30-cal. bore reducer for additional noise reduction Hardened 17-4 stainless steel with Cerakote finish Includes thread adapters for 1/2""-28 and 5/8""-24"