The Teflon Coated Cylinder Kit for VSR10 / MB02 / MB03 / T10 is designed to reduce friction in order to maximize efficiency.
Design: Tokyo Marui VSR-10 (Including G-Spec), Well MB02 / MB03, Action Army T10
Note: Custom Fitting may be required for some applications. Kit does not include spring, spring guide, hop up bucking, sear set, piston, barrel, or threaded barrel adapter.