School: Lancaster (Pennsylvania/PA)
Jacob Haeffer was one of the important early gunsmiths within the boro of Lancaster, active from the Revolutionary period through 1822. He built excellent flintlock longrifles; some exist today with 4-piece patcboxes with daisy finials, typifying the classic Lancaster form. He was one of the cartel of Lancaster and York makers who supplied contract arms to the government. He was the master of C. Siple.
