This original PolarStar shim kit is designed specifically for the Fusion Engine airsoft gun. The kit includes a variety of precisely dimensioned shims that allow you to mount the Fusion Engine at the exact correct height inside your airsoft gun's frame.
The shim kit allows for perfect compatibility and ensures optimal alignment between the trigger, muzzle tube and hop-up unit. This is an essential accessory for anyone who wants to ensure their Fusion Engine system is operating efficiently and reliably.
Features:
- Includes several shims of different thicknesses. 1pc 0.020", 1pc 0.025", 1pc 0.032", 1pc 0.045"
- Designed specifically for the PolarStar Fusion Engine pneumatic system
- Improves compatibility and alignment
- Easy and precise installation
