One is bolt action, the other semi-automatic
Three U.S. Marines point Springfields .303 bolt action rifles toward enemy territory from a sand-bagged foxhole on the front lines on Guadalcanal on Oct. 14, 1942. Not all Marine units were equipped with M-1 Garand rifles until the campaign was almost over.
This is a companion discussion topic for the original entry at https://www.ww2incolor.com/gallery/us-marines/62351/one-is-bolt-action-the-other-semi-automatic