177 liners FX are touch and go. One thing you can do is get an 60 cm lightweight barrel kit. Try it out and when good ya have lucky day….. if not buy an 700 177 liner, cut 5 cm of both ends true both ends on a lathe and machine little ring again on breech side change it out with your 600 liner and go shootn. I don’t do pellets on mine, going way to fast. Have good results with 177 slugs.My Crown was originally a 25cal and now sports a 22cal barrel. I was thinking of buying a 177cal barrel for it but don't remember reading anything good about FX and 177cal. Has anyone used the 177cal kit with decent results?
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