The Action Army Cylinder Kit for VSR10/BAR10/VSR11 is a practical internal upgrade for snipers running a VSR-style rifle and wanting smoother bolt operation from a proven brand. Designed for Marui-standard VSR-10 series replicas, this kit includes a Teflon-coated cylinder and cylinder head to help reduce drag inside the action while supporting efficient air seal performance.
In use, that lower-friction finish helps the bolt feel cleaner and more controlled through the stroke, which is especially useful on rifles that see regular skirmish use or ongoing tuning work. It is a straightforward choice for players rebuilding a worn setup or refining a VSR platform for more consistent handling shot to shot.
Compatibility covers the Tokyo Marui VSR-10 pattern as well as popular clones including the JG BAR-10 and HFC VSR-11, making it a useful fit for many common spring sniper builds. If you are refreshing the internals of your rifle, it also sits naturally alongside other VSR upgrade parts such as springs, hop rubbers and precision barrels.
Add the Action Army cylinder kit to your VSR build and keep your rifle cycling smoothly.








