Caldwell 15-22 Magazine Charger Black. With this innovative design you can take loose rounds of ammunition and load your magazine within seconds. The Mag Charger automatically aligns each round. All you need to do is insert the magazine and pull the magazine follower down loading the ammo into the magazine. Specifications for Caldwell 15-22 Magazine Charger: Manufacturer: Caldwell Color: Black Caliber: .22 Long Rifle Gun Model: AR-15 Number of Rounds: 100 Features of Caldwell 15-22 Magazine Charger Compatible with all popular AR-15 22LR magazines with load assist mag compatible including Mossberg Package Contents: Caldwell 15-22 Magazine Charger Caldwell 1097887: 15-22 Magazine Charger Black