What can you folks tell me about this item? It appears to be a muzzle bushing similar to one pictured in John Walter's "The Luger Book", p. 270. Were these standard issue? There is an inspector's stamp (WaA 107) on it. About when was it made, if indeed a Luger accesrory?
http://boards.rennlist.com/upload/MuzzleBushing.jpg