You can buy one on eBay that fits on the end of MK2 Enfield using the screws from the butt plate. It fits on the plate so there are no permanent changes to your rifle. If the link doesn't work just search for Enfield recoil pad.

Maynard


WW II British Lee-Enfield No.1 No.4 .303 RIFLE STOCK 1" RECOIL BUTTPAD | eBay