Sig Sauer launched its SD line of suppressors at SHOT Show 2013. The SIG suppressors will be available in 9mm (wet), .22, 30 caliber and 5.56. The company expects to start shipping product mid to late Q1, 2013. The SD suppressors are guaranteed for the life of the barrel.
Both the 30 caliber and 5.56 models use the boxed (hex nut) attachment. They are threaded on and torqued to 200 inch pounds.