Colt Defender Semi Automatic Metal Frame .177 Caliber BB Gun Air PistolBeing made of all metal, you'll enjoy the weight and fit of this BB gun in your hand. Use it to improve point & shoot handgun style shooting. It will fit the holster of a Springfield Arms WX d 3. 8 in . 40 S&W. It holds 16 rounds in the built in magazine. This Colt air gun is great for honing eye and hand coordination. Great plinker with good power and accuracy for practice drills! Shoots . 177 Steel BBs 410 fps 16 round magazine Fixed front blade