Levers use mechanical advantage to ease lifting; they consist of a bar and a pivot (fulcrum) with effort, fulcrum, and load arranged differently in first, second, and third class levers ...

There are two types of lever-action rifles. The first is classically styled, tube-fed lever gun generally chambered for legacy cartridges like the 30-30 Winchester and 45-70 Government.

Class 1 levers usually have a beam that is rigid, long and thin, like a ruler. Between the two ends of the beam is the fulcrum, or pivot point, which is the point at which the beam can balance and ...