Modified 311 180Gr. FN K-31 5 cavity GC Home › Forums › NOE Forums › NOE Archive › Historical Archive › Group Buys › Group Buy Discussions › Modified 311 180Gr. FN K-31 5 cavity GC Search for: This topic is empty. Creator Topic 2014-07-10 at 05:00 #487429 tomheathParticipant Up0Down:: Would this be able to be made with a 0.300″-0.301″ bore ride section? This would make a good 308 win design. Creator Topic You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Please enter an answer in digits:3 + 6 = Log In