It also had a heavy barrel and a spike bayonet. 4 featured a peep sight that was more rugged than the Mk. Also in 1931, the Mk VI became known as the No. 1 Mk VI rifle was prepared for testing in 1931, and was made in limited numbers by the Royal Small Arms Enfield Factory. The Mk V’s rear sights did not stand up to heavy use and it was decided not to adopt the gun as the new infantry rifle. 20,000 of these rifles were built for troop trials by RSAF Enfield. 4 MKI (T) Enfield Bolt Action Sniper Rifle with Sling **įrom 1922 to 1924 a new rifle was produced, that had peep sights called the No. The MKIII had open sights, which were inferior to peep sights for use in combat. However the MKIII Enfield had its faults, namely its sights. The Enfield’s 10 shot magazine was also double the magazine capacity of the German Gewehr 98 Mauser 8mm rifle. This rifle’s bolt design enabled soldiers of the British Empire to put out high volumes of accurate fire. 303 British performed well during World War One.