The forend on the rifle is a converted No4 Mk1 item, so not original to the rifle.
The spare forend appears to be the correct L39-type Mk2 item, but is missing the steel insert that should be under the front of the trigger guard. The number on the underside looks quite fresh, so maybe it is is an L39 forend thats been numbered to match.
Two of the magazines are correct Enfield types; if the third hasn't any markings then its probably one of the Charnwood copies that were made up. All three mags have new engraved numbers in a slightly incorrect format and location, so they are evidently new additions.
You should find the rifle number pencilled on the unerside of the handguard, and also stamped on the front edge of the butt (inside the butt socket).
Looks like a nice rifle. How about some shots of the sidewall, scope and bolt markings?