Genuine replacement spring for Air Arms TX200 MK2 and MK3 rifles including TX200HC models.

Select if a MK1/MK2 or a MK3 version

If you do not know which version you have please look at the loading port.
MK1 does not have any notches
MK2 has 3 evenly spaced notches
MK3 has 3 non-evenly spaced notches (as shown below)