Armscor Pistol Magazine, ACT-MAG, 9MM, 15 Rounds, Fits Sig P320/M17 Full Size, Blued Finish 3210 ACT-MAG magazines are crafted with precision and attention to detail" ensuring flawless feeding and optimal function" so you can focus on accurate shooting. The design of ACT-MAG magazines prioritizes smooth and reliable feeding" minimizing the risk of malfunctions and contributing to a seamless shooting experience.