Do not use bullets heavier than 150grs in top breaks.38S&W is. You want some crush of the powder(air in chambers or in cartridges is bad in black powder shooting). Loading your own black powder cartridges is easier than smokeless.you DO NOT WEIGH the powder.you fill up the case to 1/16' to 1/8' below the mouth of the case and seat a bullet. 38S&W cartridges and that is Buffalo Arms.however they are usually out of stock. according to its serial number, was manufactured in 1983. H&Rs first revolvers were called the Model 1½ through Model 4½ and were chambered for the. There is only 1 company that I know of that still loads black powder. In 1874 Gilbert Harrington and William Richardson established a company to produce firearms in Worcester, Massachusetts. Back before the advent of smokeless powder, cartridges were also loaded with blackpowder. The 1st, 1-1/2, and 2nd Model Automatic Ejectings weren't proofed for smokeless powder. (2nd model is closer related to 3rd model, just a metallurgical difference for the new smokeless powder) I'd lean towards the New Model for parts because there was a frame design change that created the 2nd model. And the 'New Model' would be the 3rd model(smokeless). The 'Old Model' would be the 1st and 1-1/2 models. Unfortunately this model falls in between. Numrich has two designations 'New Model' and 'Old Model'. Automatic Ejecting, 2nd Model, 5th Variation
