45 ACP. Watch our video above to see this Ruger ... the bolt while maintaining the bolt weight required for the gun’s safe and reliable blowback operating system. Additionally, Ruger ...

45 ACP (Automatic Colt Pistol ... If you answered the “Tommy Gun,” more specifically the Auto-Ordnance M1928 and M1 Thompson submachine gun (SMG), again, you’d be partially correct.

45 ACP (Automatic Colt Pistol ... with the legendary Rough Riders—used a Model 1892 A&N gun (recovered from the sunken battleship USS Maine no less) to good effect. Several of Roosevelt ...

45 ACP pistol cartridge was discharged from an unrifled ... A resistance fighter/partisan was to recover the gun, sneak up on an Axis adversary, kill or incapacitate him, and retrieve the bad ...