More Maynard tape primer goodness with Joe and his Model 1855. I assume we’ve all had misfires with our percussion guns, when the percussion cap goes off but fails to ignite the main charge. With a conventional percussion cap, a misfire means pulling the spent cap off, fishing around in a cap pouch for another one, and then putting it in place. But with Dr Maynard’s primer system, a misfire is much less of an ordeal: just re-cock the hammer and off you go. It really was a brilliant and convenien