Adapter 1/2x28 Thread Spacer

SilencerCo's 1/2"-28 Rifle Thread Spacer corrects the problem of a .22 rimfire barrel with muzzle threads that are too long. .22 caliber rimfire and centerfire sound suppressors have the same thread pitch 1/2"-28, but the threaded portion of the muzzle is longer on centerfire rifles. Manufacturers goof up more often than you'd expect and give rimfire muzzles centerfire-length threads. If a rimfire muzzle has an over-long threaded area, you run the risk of damaging your suppressor by tightening