Originally known as the Improved Henry due to its patented loading gate on the side of the frame, designed by Nelson King, Winchester's plant superintendent, and the addition of a wood forearm, the 1866 model was known as the Yellow Boy by the Native Americans, because of its brass frame.
- Prop65:
- WARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.