Whilst it may not be exactly what you thought it was, does it really matter, it is an assembly of an assortment of parts, but at the end of the day, it will not be fired, it is a wall-hanger, deactivated facsimile of a No4 rifle.
Unless you are an Enfiled 'anorak' you wouldn't know it wasn't 'all correct'
You could buy another de-act tommorrow and you will not get anything any better - generally if a rifle is good quality, or a rare, model or collectable for any reason it will be sold as a 'live' firearm. Second or 3rd quality rifles that would otherwise be scrapped go for De-acts