Rapid stocks-which ones fit which actions?

[Rapidnick]

question nick .if fitting mk2 action in mk1 stock you have you have remove 2mm from back of stock.but if you measure the main mk1 receiver hole it is a 100mm from the back of action.the mk2 is 105mm mm from back of action

Thanks for your post-should I amend mine to 'up to' 5mm then?