Came across these on YouTube and thought I’d share - You may have already seen them before - P14/M1917 Rifle Production USA:
1917 Enfield Rifles in final stages of production during WW I. HD Stock Footage - YouTube
Workers at machinery manufacture rifles in a factory in the United States during ...HD Stock Footage - YouTube
Men work at machinery in a rifle manufacturing factory in the United States durin...HD Stock Footage - YouTube
M1917 Rifle from Forge to Finish - YouTube