Hello all, I'm after some help.

I've just purchased a No.4Mk1 after much searching. The rifle is in pretty good nick, functions and shoots exceptionally well.

After a good cleaning I was doing a function check and have noticed something strange. The half cock engages as it should, however once it is engaged the rifle can be fired with a pull of the trigger.

The first thought I had was that either the end of the sear was damaged or the half cock notch on the striker was damaged/sheared. However I have checked both of these things and they appear all correct.

I have noticed that the trigger is fairly light with a very short first stage compared to Enfields I have shot in the past. Is it possible that I have a worn out sear spring which is producing just enough up force for the sear to catch the half cock but not enough to properly engage it with the notch?

I'll post some pictures of the parts when I can.
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