SPG XDS5901MFDE MAG SLV BKST 1 9M 3.3 MDSIZ FD

Springfield Armory XDS5901MFDE Backstrap Sleeve made of Polymer with Flat Dark Earth Finish & 1 Piece Design for 9mm Luger Springfield XD-S with #1 Backstrap & 3.30" Barrel
Backstrap sleeve slides down over the top of the magazine and fills the gap between the bottom of the grip frame and the base of the magazine. This mid-sized sleeve for backstrap 1 is for your Springfield XD-S with a 3.3" barrel chambered in 9mm.