Doc-built Dimmick St Louis Plains style rifle but for .450 slip-fit White/Whitworth style elongated bullet, Douglas octagon barrel one inch
in diameter signed H E Dimmick St. Louis on top barrel flat. .451
caliber with 1-20 twist and shallow .035 grooves, uses White PowerPunch
.450 slip fit bullets It’s been accurized, it shoots 65 gr. 777 and a
White 460 gr Power Punch into a ragged hole at 100 yards with the mid-range tang peep and Lyman front.
With Idaho having passed rules requiring sidelock ignition, this is the perfect rifle for an Idaho Elk hunter: it has the required sidelock, open ignition and throws a heavy bullet. It is the muzzleloading equivalent of a 45-70 or better.