Thanks everyone for the replies. I've already done the cut on a damaged No 4 stock and inserted the patch. Just waiting for the handguard to arrive and have the barrel fitted. I'll post a before and after when it's done, once again thanks for the measurements.
Bob
---------- Post added at 09:13 PM ---------- Previous post was at 09:11 PM ----------
Thanks so much for your efforts. Just what I wanted. Bob