AirPower3D Mock Buffer Tube with Picatinny Rail - for Airguns, Airsoft Guns, Foam Dart/Ball Blasters, Gel Blasters, and Paintball Markers - Ergonomic Performance Mod - TeleScopix SystemThis fake buffer tube simulate the look of a real buffer tube for your airgun, airsoft gun, gel blaster, Nerf blaster, and or paintball marker. It attaches to standard Picatinny mount on the receiver. It's compatible with airsoft and gel blaster M4 collapsible shoulder stocks. Expert installation may be necessary. May require modification to fit some clones and some brands. Tested usable with the collapsible shoulder stock from the following blasters: