M-1 Garand
The Garand was a semi-auto rifle that fired the .30-06 bullet. It was used by American soldiers in WWII and Korea. It had a loud 'ping' when it ran out of bullets, but it was a beast on the battlefield.
'That 'ping' was louder than my dog barking at 3 a. m.', Private Taylor, 1944
'I shot enemies like it was my job, and the Garand never let me down.', Corporal Lee, 1945
'The Garand was a beast. It shot the .30-06 like it was nothing.', Sergeant Adams, 1950