Sig Silencer SRD556 5.56×45, Stainless, 1/2X28, Black
The SRD556 is an Inconel 718 direct thread silencer. Inconel 718, a Nickel Alloy Stainless Steel, provides the highest level of durability, particularly with short-barreled hosts using supersonic ammunition. The 1/2â€x28tpi threads match the vast majority of modern sporting rifles in .223/5.56mm on the market today. The rear mount has wrench flats to torque the silencer to the barrel. These wrench flats can be used as a location”pin and weld” the silencer to make a shorter barrel over 16″ in total length.
Size: 6.4×1.625 in. / 162.56×41.2 mm
Weight: 11.5 oz. / 326 g
Threads: 1/2-28 tpi
dB recduction: 133 dB
Material: Inconel 718