The Amend2 15 round magazine designed for use in the GLOCK 19 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: Sturdy Impact-resistance polymer for increased strength Heavy duty, non-memory and non-corrosive spring Made in USA