It should have a date on the right side of the vertical part of the receiver, right behind the bolt handle. It will have date, serial number, and factory mark. One of mine is 1916 (serial number) BsA (Birmingham Small Arms Company).
There have been several rifles made as military rifles in caliber .303 British (.303 Enfield) The most common have been the SMLR (Short, Magazine, Lee-Enfield) known as the No 1 Mk III, and it successor, the No4 Mk I. The link at the bottom of the page will take you to a website on surplus military arms, Scroll down the left side to the rifle you want, and it will take you to an article on that rifle, with photos. Can't tell you much from a serial number alone. ENGLAND is an import requirement, telling you which country it was made it.
".303 British" is usually used to denote a caliber, as opposed to a specific firearm. Perhaps the most famous rifle in that caliber was the SMLE, which is the abbreviation for Short, Magazine, Lee Enfield. There were several marks and models of British military rifles that originated under that designation, all in that caliber. They were made from prior to WW I, and continued through the Commonwealth nations (and former Commonwealth nations) into about the 1960s. So, yes, the caliber .303 British and the Enfield name are linked- but Enfield is not the full name of the rifles and carbines. Run a Wikipedia search on SMLE for some more reading.
Primary Australian infantry rifle was the British .303 Lee Enfield bolt action rifle. The Turks used machine guns on the advancing (charging Australians).
Britain had many new weapons some included the Lee Enfield Rifle 303 No.4 Mark, Radar, and many more
The Ross .303 rifle was initially issued to Canadian troops during World War 1. It was highly accurate, but due to its unreliability it was unsuitable for use in the muck and grime of the trenches and so was retained only by snipers and marksman. The rest of Canadian forces were reissued with the Lee-Enfield .303 SMLE.
See the link below to a good Wikipedia article on the Lee Enfield. There are several DIFFERENT .303 Enfield rifles.
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Most of these firearms will be so marked on the receiver.
I bought mine for $228 Canadian
£275 at least
125 USD
125 USD
The Lee Enfield .303 bolt-action rifle
Lee Enfield 303
50-160 USD
The Lee-Enfield .303 Mk.1 and other variants to the SMLE Mk.III.
Bolt action military rifle, most commonly in caliber .303 British.