In SA from time to time one of the “sniper” No4 MK 1 or 2’s will come up for sale , they have a different butt stock and a factory fitted scope mount and scope , these are quite sought after by collectors . Apparently these were standard military
Lee Enfield Showcase: Ares Rifle No.4 MK.I (T) Sniper Rifle
Lee Enfield No.4 Rifle
What are the differences between the SMLE and the Lee Enfield no. 4? - Quora
Lee-Enfield Scope Mount Steel Mounting Base Low Profile No Drill
Lee Enfield No4 MK2 (f)
British WW2 No.4 Mk1/2 Lee Enfield Rifle 1945 - Sally Antiques
1950 Enfield No.4 Mk2, S/N PF205720
SOLD* 1953 Lee Enfield No. 4 MK 2 .303 British 25 *AWESOME BOLT-ACTION RIFLE* - Bryant Ridge
Lee Enfield No4 Mk2 (F) Bolt Action .303 Rifles- Gunstar
Deactivated Lee-Enfield no4 mk2 British made rifle dated 1950