The MkIV was approved for Land Service in 1921 and is
a conversion from the SMLE Mk III & III*.
The magazine was added in May 1925 with the spring &
This example was converted from a 1913 dated MkIII which has matching numbers including the nose cap, barrel & rear sight, the barrel is still the original 1913 dated one, the rear sight has been renumbered, which are in old style fonts and not a recent marking.
Previously marked as DP then EY for emergency use only,
these have been barred out and have genuine British Armourers cancellation
stamps through them.
Long Range Volley Sights & Windage Adjustable Rear Sight
A nice original MkIII that ha been coverted to .22 for training & small bore target practice