When purchasing RCBS or any other brand from eGoods365.com store, you can be sure that (a) you are purchasing from US based company with the most responsive and friendly customer service; (b) an authentic, not a counterfeit and not a refurbished product.
Simply drop a loaded round into the precision made gauge and if your cartridge fits the gauge it'll fit your pistol. Gauge checks both chambering as well as cartridge length.
The RCBS Chamber / Cartridge Gauge is a one-piece non-adjustable gauge designed to check all critical dimensions of pistol ammunition to insure proper fit.
