XD-MA(R) Compact 15-Round Extended Magazine, with magazine sleeve 3, for use with backstrap size #3 - 10mmThis magazine is intended for use in compact sized XD-M Elite 10mm models, effectively converting the grip from compact to full size. The included magazine sleeve, as noted, aligns with the installed backstrap already on the pistol creating a seamless transition from compact to full size and allowing the user extra capacity in a compact platform.Requires removal of magwell for proper fitment on XD-M Elite Compact models. Current production 10mm XD-M Elite pistols ship from factory with backstrap #1 installed.To ensure proper fitment, magazine with sleeve #3 needs to be used with backstrap #3.Specifications:SKU:XDME50153CALIBER:10MMMODEL:XD-M ELITECAPACITY:15