Standard Bolt Action Upgrades
Complete Bolt Action Upgrade
This upgrade replaces all critical components from the front of the gun back. If you are looking for a reliable high FPS build, this is it! The labor covers the replacement / installation and tuning of the following:* Barrel Barrel Spacers Hop Bucking Hop Nub Hop Unit Cylinder & air nozzle assembly Piston Spring Spring guide Trigger Assem...