I have a question I bought a CZ 455 combo model 17 hmr/22 the spacer block was missing and cross pin to change magazines so I got online and purchased a threaded 22 barrel with clip and was suppose to have the spacer block and cross pin but was missing in the new kit also is the new 22 barrel a drop in conversion or does it need to be fitted ? I have a couple Cz's in 17 mach 2 but this 455 is a newby for me .Any info would be helpful.
