This AMAG 17 SG9 SIG P365 is a 17-round 9mm handgun magazine specifically for P365 pistols featuring a stainless-steel body with polymer sub-components. Magpul AMAGs come with many of the standard proven features including a high-visibility controlled-tilt follower stainless-steel spring flared floorplate that’s easily removable for cleaning and routine maintenance paint-pen dot matrix for magazine marking and capacity-indicator windows which begin at five (5) rounds and continue along the spine of the magazine in one (1)-round increments.