CCI Mini-Mag .22 LR 40 Grain CPRN: Role in Mixed Brand Firearm Ecosystems Shooters often own firearms from multiple manufacturers, each with slightly different chamber tolerances, recoil spring strengths, and feed geometry. CCI Mini-Mag .22 LR 40 Grain CPRN is frequently used as a universal load in these mixed-brand ecosystems. By using a single consistent ammunition type, users... https://bulkammotogo.com/product/22-lr-40-gr-cprn-cci-mini-mag-0030-5000-rounds/