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Black powder cartridge loads-
longspur rider
Member Posts: 2,620 ✭✭✭✭✭
Have a Marlin 1893 32-40 black powder rifle. Been loading with Trail Boss powder. Was looking for brass at a local gun show & found some loaded cartridges hand loaded with 21 gr. of Benchmark powder. Never used Benchmark, Is this too hot for tis rifle? The bullets are cast lead, 165 gr. Or should I just pull the bullets & dump the powder?
Comments
On the chart it's listed as slower than IMR3031. One of my old Lyman books has 165 Jacketed with 3031 starting 24.0 gr. 1835 fps, max 28.0 gr. 1955 fps no pressures listed.
Lot safer to just pull the bullets on mystery ammo.
added Slower burn rate usually would produce less pressure than an equal amount of a faster power. I once read all IMR powers have the same energy density it's the rate that they yield up the energy that makes them different.
Pulling lead bullets that were crimped for use in a tubular magazine would make them seconds in my book, I'd recast them or use for fire forming. I like Lyman 323470 in my 8mm's.
30-30 or 32 Special. Run it through the 32-40 full size die, (I use three passes) and your good to go. (15gr 4759..any lead bullet)
Don't have the load in front of me, but I use IMR4198 & a 165gr. cast lead bullet sized to .323.
Winchester hiwall.
On the other hand, since modern big company reloading jacketed bullets are all made with the .32 Win. Special. in mind, and thus have the canelure in the wrong place for the .32-40, maybe a 'short' case would be good for you!
The ammo I bought is loaded with 26 gr. of Benchmark powder,(I pulled a couple & weighed it) with 170 gr gas checked lead. I don't want to overload this blackpowder barrel.
As far as resizing 30-30's I would rather stay with brass marked with the correct cal. I've told my wife when she is looking for ammo on my various rifles to look at the bottom of the case to be sure she has the correct one. That leaves no confusion.
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