For example, the accuracy load for .32-40 in a Lyman manual is 20.0 gr IMR 4198 using a 170 gr jacketed Hornady bullet. I guess the question is is that accurate for the rifle used by Lyman or does that load tend to be the most accurate for most .32-40 rifles? So, having said that, I would tend to start out with various loads at or near to 20.0 gr of IMR 4198, or work my way up to 20.0 gr and beyond, as the maximum load is 22.0 grains.
Or, for any random .32-40 rifle, is any published load likely to be more accurate for a particular rifle, not as to numbered grains, but as to specific powder? So, is a published load using IMR3031, for example, likely to be more accurate for my specific rifle than a load using the same powder as the “accuracy load”? In this case, the powder used commercially for .32-40, according to the manual, was the same as the “accuracy load”, IMR4198, except the factory load is 18.8 grains.
Or, I guess my way of thinking is if the “accuracy load” and the factory load use IMP4198, it might be best to start with IMR4198 loads. Good idea or fallacy?
Or, for any random .32-40 rifle, is any published load likely to be more accurate for a particular rifle, not as to numbered grains, but as to specific powder? So, is a published load using IMR3031, for example, likely to be more accurate for my specific rifle than a load using the same powder as the “accuracy load”? In this case, the powder used commercially for .32-40, according to the manual, was the same as the “accuracy load”, IMR4198, except the factory load is 18.8 grains.
Or, I guess my way of thinking is if the “accuracy load” and the factory load use IMP4198, it might be best to start with IMR4198 loads. Good idea or fallacy?