Precision Engineer Maruzen/WELL/UTG MK96 Series Reinforced Heat Treated Sear Set[SI04]
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Sear sets are responsible for keeping the piston locked back until you are ready to fire. When you pull the bolt back on your spring sniper rifle you pull the entire cylinder assembly with it. The piston sear then catches onto the back of the piston. When you push the bolt forward the piston stays locked to the back of the cylinder by the piston sear. When you pull the trigger on your spring sniper rifle the trigger sear pushes on the piston sear to release the piston, which fires the BB. Cheaply made, or soft, sear sets can break under the stress of the spring, which is why having a good quality sear set is so important to your spring sniper rifle's operation.
- Professional installation is recommended. Improper use or installation of upgrade parts are 99% of the time the cause of failures of these items.
- Manufacturer: Precision Engineer