CB loads for 45-70/405 grain
The 405 grain bullet in any configuration, by any of the current mold makers can be accurate and potent. Many different powders can be adjusted to work well. I have used IMR 3031 with success for years. Using a load of around 40-45 grains will produce velocity in the 1200-1300+ range, but when you up the ante and get into the 1400,1500+ brackets, the recoil starts to be more noticeable. An old NRA recommended load of 53 grains of 3031 is somewhere in the 1700+fps range. It kicks like a blue mule, delivers around a ton and a half at the muzzle and in the hunting world will ventilate just about anything regardless of size that is found in the western hemisphere. This type of performance is not intended for, or at all safe for any trap door; it is for 1886's in good shape or more modern actions. 3031 burns well and clean. Bullets with any degree of meplat are generally considered better/safer for guns with tubular magazines. Good shooting. LLS