SIG MAGAZINE,320,9,FULL,21RD

This genuine SIG SAUER factory magazine is designed for the P320 Full‑Size 9mm pistol and offers an extended 21‑round capacity. Built with a durable steel body and finished to SIG’s OEM standards, it delivers smooth, consistent feeding and a precise factory fit. Ideal for range days, competition, duty, or as a high-capacity spare, this magazine provides the durability and performance you expect from SIG SAUER.