The Amend2® 34 round magazine is designed for use in Glock® pattern firearms and is a sturdy, reliable 9x19mm magazine made of advance polymer material. It is a light, durable and excellent alternative to the standard Glock OEM magazine. This magazine has Amend2’s unique baseplate to truly make it one of a kind. Features Include: Sturdy Impact resistance polymer for increased strength, Heavy duty, non-memory and non-corrosive spring, Made in the U.S.A.