Colt

Colt was a pre-war weapons manufacturer in United States.

Their known for the Colt 6520 10mm Pistol and the Colt Rangemaster Hunting Rifle.

Mentions
Colt 6520 10mm Pistol appears in Fallout and Fallout 2. Another product, the Colt Rangemaster Hunting Rifle, appears in Fallout, Fallout 2 and Fallout Tactics.

Real World Equivalent

 * Real-world Colt's Manufacturing Company in Wikipedia.