Originally Posted by
Mr Wolverine
You need to note if new or old style bolt catch.
I should also change the spare parts kit so that with the new bolt there is a spare firing pin retainer and firing pin retainer O ring, I haven't done this yet. Lose the O ring and you can lose the pin, lose the pin and your bolt will jam on the firing pin. If you only lose the O ring your rifle will still function but when you field strip the firing pin retaining pin could fall out. I just learnt this the hard way.