For those demanding absolute performance, the Sandman-L delivers. Made and constructed from the same materials as the "S" version, the "L" is only 8.9 inches in length, but offers a true sound reduction of 31dB firing standard 7.62 ammunition. The Stellite baffles form a solid welded core for extreme durability with a detachable front cap featuring an integrated flash hider. The entire suppressor gets a Cerakote finish for ultimate corrosion protection. The mount features Nitride finished 17-4 stainless steel construction for the ultimate in durability. It uses Dead Air's industry best QD system for fool-proof quick one handed mounting. Compatible with 5.7X28MM (FNH), 17HMR, 17 HORNET, 22 HORNET, 5.56 NATO, 22-250 REM, .204 RUGER, .243 WIN, 6.5 CREEDMOOR, 6.8 SPC, 7.62 NATO, 7MM REM MAG, .30-06 SPRINGFIELD, 300 BLACKOUT, .300 WIN , 5.45X39MM. *Note- Barrel must be concentric with bore- 7.62X39MM and 7.62X54R.