Share information about reloading the 22 TCM cartridge
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By dungheap
#15034 Will CCI 550 primers work in the .22 TCM? Yes Best choice? Probably not.
Whatever load data you use, start low and work up in small (.2) increments. Whether the primers are a good match or not will be decided by the accuracy level you attain.
I have tried some old Federal 200 primers, which are listed as "small rifle and magnum pistol" primers, successfully, but more often than not I use Remington 7 1/2 or CCI BR4 primers for my go-to loads.