Wolverine Bolt M HPA Engine Kit for Silverback SRS

Simply perfect performance

Built on the legacy of the original BOLT system, the BOLT M delivers top-level performance!

Fully mechanical

The new fully mechanical design offers a more convenient and reliable battery-free operation.

Stay on target

Smooth, spring free action makes it easy to keep sights on target, improving speed accuracy of follow-up shots!

Easy installation

Quick-change between spring and HPA provided by an innovative air attachment system.