Single Stack Magazine 40625 Maximize your trigger time with the new ChampionA(R) 25-round 10/22A(R) "Metal Head" Magazine. The reinforced steel lip makes for more reliable feeding. A constant spring force provides easy loading and feeding-from first shot to last. Works with Champion 10/22 magazine loader. Features & Benefits: - 25-round capacity means more shooting and less reloading - Steel construction - Reinforced steel lip makes for more reliable feeding