CNC machining .30 dummy silencer. 6061 aluminium construction, with hard black anodize finish. Unique serial number, with deep engraving realistic markings. This dummy silencer is foam filled with a baffle design (for countries allowing foam filling). This dummy silencer is attaches to the .30 Desert Tech muzzle brake (reference: SBA-FHD-01) included in this package. A set of fine tuning shims is also included (reference: SBA-SIL-06). Diameter: 41.3 mm, length: 200 mm, weight (silencer only) : 240 grams. Desert Tech licensed product.