The Welsh Willy Hammerli Perfecta 550 / Hammerli Seeker Service kits comprise of
Pre-cut Titan Mainspring
Delrin rear block & spring guide ( machined all in one guide replaces factory block & guide)
Delrin Piston Slip/Spacer washers x 2
Delrin Power-Bands x 3
Steel Inner Piston Sleeve
How to do instructions
*Optional Piston seal colours vary from different suppliers*
There is currently 25 – 30 working day turn round time on all WW Kits
Please Make sure you know what you are getting into when you strip & tune your rifle, Woodfield cannot & will not be held responsible for any damage or injury caused whilst fitting the Welsh Willy service kit to your rifle, the kits have been tried & tested and fit that specific rifle only.
If in doubt have the rifle tuned by a Gunsmith..