Vocabulary—Just What is the Difference Between Rimfire and Centerfire Ammunition?
7:00am Monday, June 22, 2015
Rimfire Cartridges Rimfire cartridges contain their “priming compound” in the “rim” of the cartridge. The priming compound is what sparks to ignite the gunpowder within the cartridge case, while the rim is precisely where the firing pin strikes when the user pulls the trigger. The powder charge sits directly in front of the priming compound, so ignition is very reliable. The beauty of the rimfire...

