At the start of WW2, New Zealand had a limited amount of modern weaponry for its regular troops and, in the event that Britain would not be able to supply it, it needed a means of arming its Home Guard.
Lee–Enfield - Wikipedia
From Bolt Action Lee to LMG: The Charlton Automatic Rifle
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Charlton automatic rifle - Wikipedia
What did the British use before the Lee-Enfield? - Quora
For King and Country: Meet Britain's Small Arms of World War II
Lee-Enfield: Right Arm Of The Empire
From Bolt Action Lee to LMG: The Charlton Automatic Rifle
A rifle, Designed by the British, made by the Americans, given to New Zealand to settle a debt and then sold to Australians : r/guns
Why was the Lee-Enfield so good? - Quora
How good was the Lee-Enfield rifle? - Quora