conversion kit wolverine bolt m tm vsr10Do you want to turn your Tokyo Marui VSR10 into a very quiet HPA replica? With the Wolverine Bolt M conversion kit, you can start that conversion. The kit works completely mechanically: no battery, no FCU. This results in stable and consistent operation. You place the Bolt M into the cylinder of the VSR10, where it replaces the original spring and cylinder head. Because the original spring is removed, you can cock the system easily and almost