Samuel Hamilton Walker and General Winfield Scott's armies. Walker is best known as the co-inventor of the famous "Walker Colt" revolver, along with arms manufacturer Samuel Colt. Walker is said to have self-funded a trip to New York City to meet with Colt and proposed to him the concept of a weapon based on the then-popular five-shot Colt Paterson revolver, with many enhancements such as adding a sixth round, being powerful enough to kill either a man or a horse with a single shot and quicker to reload . Colt's firearms company was no longer in business, but the large order allowed Colt
Colt Walker was largely built from leftover Walker parts. Subsequent contracts beginning in 1848 followed, for what is today known among collectors as the First, Second and Third Dragoon Models that were all based on the Colt Walker, enabling a rapid evolution of the basic revolver design. These improvements included shorter barrels, shorter chambers, typically loaded only to 50 grains instead of 60 grains, thereby reducing the occurrence of ruptured cylinders, and the addition of an improved catch at the end of the loading lever to prevent the dropping of the loading lever under recoil. The Colt Walker was quite powerful, with