BASTION Laser Engraved Rear Cover Slide Back Plate Springfield XDS 9mm .40SW .45 ACP Models ONLY - John 15:13 Compatible with Springfield XDS 9mm .40SW .45 ACP models ONLY Is NOT compatible with XD or XDM models Hard coat anodized black, T6 machined aluminum Lasered artwork won't rub off; not painted Replaces factory plastic part