Most gun-savvy folks recognize the regular M1 Carbine and the folding-stock M1A1 Carbine that was issued to many paratroopers. Prototypes of the select-fire M2 Carbine were tested in 1944 ...

The M1A1 variant of the M1 Abrams first entered service five years thereafter. This newer version brought significant upgrades, including a 120mm smoothbore gun licensed from Germany’s ...