series CZ 457 Varmint MTR caliber .22 LR MATCH Miniset 16" 

A miniset for user adjustment of CZ 457 series rimfire rifles (caliber, barrel length and profile). This miniset contains a thick-walled 16“ barrel for 22 LR cartridges with a MATCH chamber for high-precision shooting, magazine well insert, five-round fiberglass-reinforced polymer magazine and the required wrenches for barrel replacement. The barrel muzzle features a unified ½“x20 UNF thread and includes a plug.