What was bump on Henry rifle?

The "bump" on the Henry rifle refers to the distinctive, rounded receiver design that characterizes this early lever-action firearm, developed by Benjamin Tyler Henry in 1860. This feature not only contributed to the rifle's aesthetics but also enhanced its structural integrity and functionality. The Henry rifle was known for its innovative tubular magazine and smooth action, making it a significant advancement in firearm technology during its time. Its design influenced many subsequent lever-action rifles.