Decide On Your Caliber: Navigate to your ammo prices portion and pick the caliber you're thinking about from the handgun, rifle, or shotgun categories. With a Centrefire rifle/gun, the center of the cartridge is struck with the firing pin, igniting the primer. Rimfire cartridges would be the minimum expensive rounds, https://tacticalrounds.com/product-tag/tapco-ak47-magazine-review/