45-70 reduced loads

Thanks. That's just what I've been looking for. That should burn up the can of Unique I've had sitting here for awhile. I just picked up a box of Remington 405 gr bullets and a pound of Accurate 5744 powder. It's also made in Canada, now that's a plus. It's supposed to be good for reduced loads and large capacity black powder cartridges such as the 45-70 through to 45-120 and up to 50-120. Got to get reloading now. I'll let you all know how it goes. http://www.accuratepowder.com/wp-content/uploads/2010/09/WP_LoadSpec_7-2-13.pdf
go here http://www.gmdr.com/lever/lowveldata.htm scroll down on the left to 45/70 and have fun. My favorite is 500 grain bullet over 13 grains of IMR 700X.
This works well in a H&R Buffalo classic and singlely in a Marlin Cowboy.
 
Thanks. That's some great info LUTNIT Like I said earlier I have always stayed with published loads, but now I'm going to try some Trap Door loads with jacketed bullets.. I was looking at The Bullet Barn site and I think I'll try some of their 405 cast as well. I'm quite interested in using Unique and 2400 right now because I have a can of each sitting here. I doubt I'll try BP, just to much messing around. What would be the approximate velocity difference between cast and jacketed bullets using the same weight bullet and powder charge ?
Make 110% sure your reduced load data is published in a reloading manual friend.
Do not merely assume that reduced handload information in compatible between lead cast and copper jacketed bullets.
Because this is not necessarily so.

Beware for your own safety!!!
 
Last edited:
Heavens no - we must never use loads that aren't published.

Show me one load shared here that's unsafe - these are all "reduced loads", suggesting low end cast loads with jacketed substituted. Better yet, show me one cast bullet load that would not be safe if a jacketed bullet was substituted in a strong action (i.e. designed for 50K+ psi). Even the "hottest" cast bullet load is designed to produce pressure well below that (40K psi is considered very high) and we're discussing "reduced" loads.

To be fair, it was never mentionned what firearm these loads will be used in, thus the "strong action" caveat. It's conceivable in a "weak" action (e.g. a Trapdoor Springfield designed for about 25K psi), that even some mid-top end cast loads would be too much. Add to that the increased pressure from substituting a jacketed bullet and you go even higher.


Make 110% sure your reduced load data is published in a reloading manual friend.
Do not merely assume that reduced handload information in compatible between lead cast and copper jacketed bullets.
Because this is not necessarily so.

Beware for your own safety!!!
 
Last edited:
Anyone know if there would be a difference in accuracy between a 300gr. bullet compared to a 405gr. bullet ??? Considering Bearing surface, length, shorter bullet maybe key holing etc.
 
Heavens no - we must never use loads that aren't published.

Show me one load shared here that's unsafe - these are all "reduced loads", suggesting low end cast loads with jacketed substituted. Better yet, show me one cast bullet load that would not be safe if a jacketed bullet was substituted in a strong action (i.e. designed for 50K+ psi). Even the "hottest" cast bullet load is designed to produce pressure well below that (40K psi is considered very high) and we're discussing "reduced" loads.

To be fair, it was never mentionned what firearm these loads will be used in, thus the "strong action" caveat. It's conceivable in a "weak" action (e.g. a Trapdoor Springfield designed for about 25K psi), that even some mid-top end cast loads would be too much. Add to that the increased pressure from substituting a jacketed bullet and you go even higher.

BTW Andy, if you re-read my prior post, you'll note I never even once disputed your Trapdoor loads.

Example of my own: I once used cast lead powder data with a copper jacketed bullet in my S&W 624.
Went through about 25 of these plinking loads at an indoor range.
One of these loads sounded kind of odd, and the recoil impulse was different.
Ended up with that bullet being stuck half inside and half outside the muzzle.
A 24 hour period of kroil soak and about 15 swings with a heavy hammer and brass drift to pound this bullet from the front, out the back.

Hence my prior warning. Feel free to take it or leave it.

Cheers!
 
I second the suggestion that you try +/-13gr of Unique, also the use of cast bullets. I seriously doubt that much of anything can be done better with jacketed bullets in a 45 70.
Grouch
 
You make a good point and I stand corrected - there are concerns on both ends of the pressure range.

If using low pressure loads developed for cast bullets, and substituting jacketed bullets, you risk the possibility of lodging a bullet in the bore that might not be there for the cast. In the same way that you'd ensure that the pressure is high enough to reliably expel a cast bullet, the same applies to jacketed.

BTW Andy, if you re-read my prior post, you'll note I never even once disputed your Trapdoor loads.

Example of my own: I once used cast lead powder data with a copper jacketed bullet in my S&W 624.
Went through about 25 of these plinking loads at an indoor range.
One of these loads sounded kind of odd, and the recoil impulse was different.
Ended up with that bullet being stuck half inside and half outside the muzzle.
A 24 hour period of kroil soak and about 15 swings with a heavy hammer and brass drift to pound this bullet from the front, out the back.

Hence my prior warning. Feel free to take it or leave it.

Cheers!
 
Been loading 15gr of trail boss under a 405gr OMA cast boolit, velocity as a rough guess is in the 1400-1500fps range with about the recoil of a warm 45 colt load... I can snuggle 3 into a 1.5" circle with my 18" TC Pro Hunter... Very mild load, even my missus shoots it.
 
H4198 is capable of producing some serious power from a 45-70! Its my personal favorite!
Be sure to us the powder charges appropriate for the rifle you are shooting.
 
Back
Top Bottom