The Amend2 15-round magazine is designed for use in the Sig Sauer P320 and is a sturdy reliable 9x19MM magazine made of an advanced polymer material. It is a light durable and excellent alternative to standard Sig Sauer OEM magazines. This magazine has Amend2s unique baseplate to truly make it one of a kind. - Features: - 15-round magazine. - Sturdy impact-resistant polymer for increased strength. - Heavy-duty non-memory and non-corrosive spring. - Made in the U.S.A.