44 Henry spherical. Henry also supervised a fresh rifle design dependent loosely within the Volcanic to use the new ammunition, retaining only the final kind of the breech system as well as the tubular journal. This became the Henry rifle of 1860, which was made by The brand new Haven https://highimpactrounds.com/product/winchester-xpert-20-ga-2-75in-6-3-4-oz-1325-fps-game-load-25-rd-box/