You'll have to look in a modern loading manual for current max. loads. Been some thought that today's 2400 might not be quite the match to old-time 2400.
For many years 18gr. of 2400 and a hard cast 210-215gr. bullet has been a standard full-charge load, with the old model 57 still working just fine. Maybe I'm just too hard-headed to change what's been working fine for 35years.
I'm going to guess that the mold is the old Lyman #410610 gas check bullet. I got real tired of tryng to find .41gas checks, so had the gas check section of the mold removed to make it into a plain base.
Little 4" M57 really was nicer to shoot with 2400 than with H110 or 296 loads, and once getting those SWC's up to 1200fps, didn't find much of advantage to going any faster (would just come out the other side of a pig going faster).
At the same time, was using a old 8 3/8" M57 to occasionally knock down steel critters. On that one, with that long barrel, the H110/296 loads were useful.
I have only been loading for a couple of years but .41 mag is what got me started. I have had good luck with Remington brass. I bought a new bag of Winchester brass this week and was disapointed with it. Length varied from 1.280" to 1.290". Is that common? The book calls for it to be 1.290". One piece was so buggered up I couldn't use it. A buddy of mine and I each got a brick of Winchester .22LR a few months ago and upwards of 5% of it wouldn't fire. I know all of it comes from different places, but I'm getting a little leary of ammo and stuff from Winchester. Back to the brass, I have been wanting to try some Starline.
I use 2400 powder in my .41 with great results.As for brass I have not had any issues with Winchester brass in the past but I do prefer Remington brass,I have .41 mag,32/20 and some other handgun brass from Starline.I am impressed with the quality and will not hesitate to order more when the need arises.
I haven't shot much lead through mine, but several cans of 2400 a while back. Now just using the 296 for everything.
I have used all makes of brass. Once upon a time I preferred Winchester to most, but through the years have gone to Starline for just about everything.
Most of the splitting I have found, occurred do to over working the neck with the expander and crimp. I have my dies set to put just enough bell on the mouth that I can feel it with my fingernail, which isn't much, and it allows the bullet to seat easily with out crunching the case. My crimps are also lighter than a LOT I have or do see. I simply put enough roll on the case mouth to hold the bullet in place right at the bottom edge of the cannalure. This has also greatly improved the accuracy of the loads.
I am currently working up a reload using 250 gr lead no-gas check bullets. Looks like 14.5 grains of 2400 will yield the better group. One ragged hole at 50 yards from the bench. bullet size is .412" and the shooting is done with a Marlin 1894 carbine.
I use 2400 exclusively in my 41 magnum Redhawk. I use mostly R-P brass and CCI 350 or Fed 155 primers. I load 215 SWC from 11 grains [about 800fps] to almost 19 grains for full power loads.
A major reason I like 2400 is because it is so flexible in the 41 magnum with none of the dangers of 296 or H110. Any powder that can send a 215 grain hard cast lead bullet from 800 fps to 1400 fps, and 210 grain jacketed to 1500 fps, and a 240 grain hard cast to 1400 fps is well worth having in your inventory.
I started my reloading passion with the .41 Mag and 2400. Used to use a Lee Handloader, 215 gr LSWC and my 6" M57 loading in the barracks at Ft. Bragg in the mid 80s. Used to daily get back from Arabic language school, go shoot 100 rds at the sand pits then tap out another 100 rds that night. I get about 15 loadings through my cases before I retire them (first 5 max, 5 mid range, 5 at around 900fps) Cases are R-P, Win, and Starline (few PMC). Just never have the time to enjoy shooting anymore (stay deployed).
It has been awhile since I've used 2400 in mine. Worked fine some years ago. What is old is "new again" maybe?
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