Sig P365X Macro with a magazine design packs a full-size 17+1 round capacity into the thin, iconic profile of the P365. The P365-XMacro features an integrated compensator that reduces muzzle flip and makes follow-up shots faster and more accurate; a slim 1" wide design and interchangeable backstraps.Includes two 17rd steel magazines and three backstraps- small, medium and large.