9mm Luger 17 rounds For P365, P365X, P365-XMACRO, P365XL Factory 17-round steel magazine for the P365-XMACRO pistol. This magazine includes rear witness holes to confirm loaded capacity and an orange follower making it easy to identify when unloaded. SIG includes two additional interchangeable floor plates to accommodate the grip length differences of the P365, P365X, and P365XL. It comes configured for the P365-XMACRO.