The GP (General Purpose) suppressors were designed to provide the customer with a lightweight, durable, and affordable suppressor for general use. Constructed entirely of 17-4 stainless steel and utilizing our patented baffle technology, GP suppressors are both durable and high performance. Front and rear 3/4" ( or 19mm) wrench flats provide options for traditional use or forend rail integrated applications. GP suppressors come pre-drilled with a .125" hole for pinning to create "one stamp guns". The GP7 can be pinned on a barrel as short as 9.5" The GP7 is a .30 caliber aperture silencer rated for use up to and including .300 Remington Ultra Magnum. The GP series provides quality, engineering, construction, versatility, and affordability in one.*This site does not display stocking status of silencer products which are not for sale through the volusion interface.Every component in the GP7 is manufactured from high strength, high temperature, corrosion resistant alloys.Barrel Ratings: No restrictionsFull auto rated on calibers up to 308 winchesterDiameter:1.5"Overall Length:Length Added7.23"VS. A2 Compensator, 4.8"Weight:15.3 ouncesMaterials:High Strength, High Temp, Corrosion Resistant AlloysAttachment:5/8x24 TPI (industry standard for most 30 caliber barrels)Finish:CerakoteDB Attenuation:31DB Tig Fusion welded Light Weight Design 5/8x24 TPI Threads 3/4" Wrench Flat mounting geometry for easy installation Pre-Drilled for pinning and welding for a 1 stamp gun Shim set included for Pin and Weld Applications Full Auto Rated High strength, high temp, corrosion resistant 17-4ph Stainless Steel Silencer Pouch Included Cerakote Finish