Just got the spring and firing pin - the pin is not the right one. It looks very similar but the overall length of the pin is shorter than mine ( not adjustable ) and although the fire pin 'head' itself looks similar ( I did not mic it ) the diameter of the rest of the pin, near the bolt head retaining pin, is much narrower than mine - MUCH - so it would be sloppy through my wider bolt head retaining pin. This one has to go back.

One thing I did notice ( I'm getting way to familiar and knowledgeable than I want ! ) is that my firing pin is scratched a bit where it would ride through my bolt head retaining pin. That could cause some loss of 'spring'.

If I can locate the parts, I think a new firing pin/spring and a bolt head retaining pin would be a smart maintenance R/R.

My firing pin, where it goes through the Bolt Head retaining pin ( if I type that part one more time !?!?!? ) is .1410. I'll be looking for that diameter firing pin shaft and BHRP...