The reason I remarked about the vice marks is I am pretty sure if an Armourer either in the Britishservices or Australian
caused these through neglect to protect the jaws they may have found a pineapple inserted leaf end first (so you cannot pull the inserted object out) for abuse of a weapon, as they would have had all the good stuff to hold the action firm for a re-barrel I meant nothing insidious by my obs.