Amend2 Firearms: This magazine from Amend2 is a light, durable and excellent alternative to the standard Glock OEM magazine. Made of Impact resistance polymer for increased strength, with a heavy-duty, non-memory, and non-corrosive spring. Amend2 magazines have gained an unshakeable reputation for their reliability and durability. Amend2\'s unique baseplate truly makes it one of a kind. Made in the U.S.A. This 9mm model is compatible with Glock handguns chambered in 9mm and has a 34-round capacity.