Those are great .22LR rimfires. I have a No2.MKIV* rebuilt from a BSA 1918 No.1 MKIII* by Enfield in 1936. I placed a Parker Hale PH5A rear sight on the rifle and hit golf balls at 100 hundred yards. I really enjoy shooting them and my 2 BSA No.7 MKI .22LRs.
--fjruple