These dimensions are nominal dimensions and some have a tolerance of almost 0. But nonetheless, they are good solid guidelines to work from. Note the trim length on this is NOT 1. This is bound to start an argument. I like to use common, easy to find, and multi-purpose powders. Remember, in a survival cache, space is at a premium.
I use IMR for my. It is a medium to slow burning powder, and a little dirty, but it has MANY uses and is readily available. Many service rifles have shorter barrels and thus would benefit from faster burning powders.
When selecting a powder for load development, barrel length is of paramount importance! Longer barrels, which generally yield better long range accuracy, afford slower burning powders. The slower burning powder allows for combustion the full length of the barrel. Shorter barrels require faster burning powders. This affords time for the powder to complete its burn the full length of the barrel, yet not waste powder.
Read a 3 foot flame at the muzzle. If you have an unusually large muzzle flash, consider a faster burning powder, as you are wasting powder. Another consideration in powder selection is bullet weight. Powders must be charged into the shell according to bullet weight.
An undercharged or overcharged shell is dangerous! One MUST either purchase a load manual Speer, Hornady, and several others make them commercially available ; look them up on the internet not recommended for reliability ; or, consult a ballistics expert. I use them frequently and they are FREE! For example: According to Hornady, a 55 grain slug will max out around Same powder, different load. The logic of bigger slug equals more powder is a fatal mistake, this is why we consult ballisticians and manuals.
More powder with a heavier slug will create an over-pressure situation. Our load will generate 49, CUP and has been verified as safe. After figuring all this out, I have come to the conclusion that 26 grains of IMR will work beautifully for our project. It should project our slug forward somewhere between and feet per second at the muzzle. So, we dial our powder measures in for 26 grains.
While charging, I check the first five and verify the charge weight with our scales, then check every tenth one thereafter. The 26 grains of will fill our case and this will be a compressed load when we put our slug on top and seat it.
The final step of completing your loads is setting the slug. After that, it's easy to figure out since, there are grains in a pound. This makes the powder stretch a long way, particularly as IMR is one of the cheaper powders.
Of course, there are 56, grains in an 8 pound keg making it good for about 2, rounds. No sense in buying a pound, get an 8 pound keg from Powder Valley and never look back.
I use I too have been thinking a pound at a time. Quoted: So I'm running the numbers to figure out how much per round I can save if I reload for. Is that right?? I usually dump at least 5 Oh yeah, don't I know it! I've been reloading since , but never for rifle.
I obviously have a lot to learn. I usually dump at least 5 Don't you just dump the powder back into the hopper? I sweep up the powder dumps off my funky basement floor and into the trash can. I don't want no funky loads. Yes, when you move up from. And you can load up what bullet you want also. That's almost exactly my numbers as well. Thanks for helping me verify that!
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