The original design was a British project to develope a possible replacement for the Lee Enfield rifle. It was known as the P-14 and was originally to be in a new .276??? caliber.
The rifle had problems related to the ammo, and when WW1 started they redesigned it to use the standard .303 round.
Since they didn't have enough production capacity, the Brits contracted with the American firms of Winchester, Remington, and Eddystone, to produce the rifles for them.
Instead of trying to issue a new rifle in the midst of a war, the Brits decided to use the new rifle only as a limited issue sniper rifle.
When the US entered the war, we didn't have enough production capacity at the government arsenals to supply enough 1903 Springfield rifles. So, the US reworked the P-14 to handle the US 30-06 round, and issued the rifle as the US 1917. Also known as the 1917 American Enfield.
During production Remington took over over the Eddystone factory.
Since Remington had huge amounts of parts and the tooling, they produced a commercial version during the 30's known as the Remington Model 30.
The 1917 was reissued in WWII, because of shortages of 1903 and M1 rifles. Most of these were used as defense plant guard guns. Few, if any were used in combat.