For those demanding absolute performance and durability the Sandman Series delivers. Made and constructed from the toughest silencer materials these are built to stand the test of time for serious users - and do so for military and law enforcement around the world.What started out as mild plastic surgery for some in-line improvements to the Wolf-9SD ended up turning into an entirely new beast.The Wolfman is the next generation of suppression. Like its predecessor it's a modular multi-caliber suppressor. It specializes in subgun light-duty rifle and pistol use. It provides ultimate suppression in its full-length configuration while still providing exceptional performance when set up in the short configuration. The Wolfman also has an Ace up its sleeve the front cap can contain a user-provided rubber wipe that can drop suppression levels even further.Construction is fully welded 17-4 PH stainless steel that brings ultimate strength while keeping the suppressor as light as possible. It's the ultimate mix of toughness and lightweight. The suppressor is designed for maximum muzzle suppression while also maximizing at-ear performance for the shooter through the use of a large internal volume and generous blast chamber.The Wolfman ships with a 1/2-28 direct thread mount and features a wipe-compatible front cap (tool included). Wipes are user-replaceable with commonly available rubber washer sizes.Specifications: CALIBER RATING: 9mm 5.56 300BLK 7.62A-39 350 Legend .357 Mag ENERGY RATING: 2000 ft lbs BORE DIAMETER: 9mm LENGTH (LONG NO MOUNT): 7.5 inches LENGTH (SHORT NO MOUNT): 5.13 inches DIAMETER: 1.618 inches WEIGHT (LONG NO MOUNT): 14.4 ounces WEIGHT (SHORT NO MOUNT): 9.8 ounces MATERIALS: Fully welded 17-4 PH stainless steel FINISH: Cerakote(TM) USAGE: Extremely tough subgun silencer. We even rated it for carbine use when using the KeyMicro adapter and mount. BARREL RESTRICTIONS: None FULL AUTO RATED: Yes