The Caldwell Rimfire Rotary Mag Charger hold up to 100 rounds of your favorite 22LR ammo in the hopper. Fastest T/CR22 and 10/22 magazine loader on the market 2:1 gear ratio loads magazines twice as fast as the competition leaving more time for shooting. To load simply dump ammo into the hopper insert magazine and turn the handle hopper automatically orients ammo correctly.