IN STOCK, READY TO SHIP

This modern piston suitable for HW77/HW97/HW977

Special features:

1. Straight and hardened Piston. 
   Optimum relation between Piston and Receiver thus no galling OR wobbling issue as a result much better shot to shot SD
   Much more velocity and longer spring life.
   Eliminates vibration and play
   Eliminates friction
   Straight and hardened Piston. 
2. Optimum relation between Piston and Receiver thus no Galling OR wobbling issue, as a result much low shot to shot SD.
3. Much more velocity and longer spring life.
4. Eliminates vibration and play, eliminates friction.
5. Piston Seal/Gasket included.
6. Lube included.
7. Breech seal also included . 
8. The compression cylinder is coated with Hard chrome.
9. Main cylinder is Honed 

  More detailed view: Click here>   TTI Piston Assembly for HW77 or 977 -A closer look