.45-70 load


May 26, 2007, 12:42 PM
Need to start loading up for a Browning 1885 in .45-70. Mostly Cowboy type loading, woun't be used for hunting anything bigger than deer black bear.

Would like to use a 405 gr. lead bullet, I have a few powders sitign around I would like to use up if anyone has and data to help me out. I have H380, H335, and Win 748.

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May 26, 2007, 05:16 PM
get the Lyman # 48 manual. I only use Unique and 2400 in my Ruger #1S 45-70

May 26, 2007, 07:11 PM
I like H4198, and have used 2400. Lot's of powders work well in the 45/70

May 26, 2007, 08:06 PM
I am having troubles finding load data for the powders I listed. Using Unique for .45-70?

Zeke Menuar
May 26, 2007, 10:29 PM
The cowboy shooters are real big on Trail Boss powder


May 26, 2007, 10:48 PM
I have a hunch that the powders you listed are too slow. Unique, TB,RX-7 or IMR3031 will all make you and your Highwall happier.

May 26, 2007, 10:54 PM
Isn't trailboss a very low velocity powder by design? According to the Hogdon/IMR load data site, IMR 3031 seems to give the greatest velocity with light (300 gr) and heavy (485 gr) bullets. IMR 4064 and IMR 4198 are also listed a good bit.

May 27, 2007, 12:30 AM
I have a bunch of Unique, use it in my .45 colt loads never thought of it for rifle loads.

May 30, 2007, 09:47 PM
I use IMR 4198 and Trail Boss.

May 31, 2007, 07:38 AM
Traillboss will give you BP level loads without the mess...IMR 3031 and 4198 will give you better top end performance...with the powders you listed that you have on hand, I would guess that you can use 748 and 335, but I would only use these with the 300 gr. JHP's that are out there...your 1885 can absorb some pretty high velocities, but be careful.

For the info go to the respective powder mfg. websites or give them a call.

Have fun and be safe!


May 31, 2007, 11:03 AM
Unique loads from Lyman 47th..winchester model 1886
400gr cast bullet start load 13.7gr.Unique for 1154fps
........................max. load 16.5 " for 1286fps

293 grain cast bullet..start load 12.0 for 1200fps/ 15.0grains=1416fps

USE AT OUR OWN RISK,and alway,always verify data given by cyber friends.

Unique is more like plinker loads for rifles..just plain fun to shoot and takes not much powder.

Ranger J
May 31, 2007, 11:08 AM
I have had good luck with both 2400 and Re#7 and the Rem 405 bullet.

May 31, 2007, 04:36 PM
I like 5744 with cast bullets, basically doing the old "Nitro for black" routine.

May 31, 2007, 07:41 PM
I'm a big fan of Trailboss for my 45-70. Nice soft shooting rounds and easy cleanup. (cast lead is all I shoot)


June 1, 2007, 10:40 PM
FFG Goex; 60-65 grains topped by a .060" over powder wad is about all you can get in a case and still seat a 405 grain LRN bullet. But then, not everybody shoots BP!

November 6, 2007, 11:59 PM
Trail Boss Range results:


CSA 357
November 7, 2007, 04:50 PM
I have a 78 browning in 4570 and 3031 is all i use, 300 gr hp 61 gr of 3031 will shoot in one hole at 100 yds , cant tell you about the 405s as i have never tryed them, but for deer this load is very hard to beat on deer, i have taken many deer with this load, (guessing at least 50 ) you dont have to trail them, :D

November 8, 2007, 12:58 AM

Trail Boss Range results:


Lane, I certainly hope no one gets hurt using your loads in their muzzleloaders. I hope they don't because you WILL get sued for advising them to use smokeless powder in guns made for black powder or replica black powder. Yeah, I know all about the savage in-line made for smokeless powder, but the other in-lines are not the same.

If I were you, I would remove those posts, and hope to high heaven no one has seen them, then tries to duplicate them.

Johnny Guest
November 8, 2007, 03:42 PM
I'm going to go ahead and post some criteria here in the midst of an on-topic discussion. Please bear with me.

Member snuffy makes a good point about the almost universally accepted axiom: DO NOT USE SMOKELESS POWDER IN MUZZLE LOADING FIREARMS.

Mr. snuffy cautions lanenebraska about putting up the link he did, and suggests he might want to remove it, lest someone suffer a mishap and a lawsuit result.

Now, I'll admit that if Lane posted the same data on THR that he posted at shootersforum, I'd probably feel constrained to take some moderation-type action. Dunno what it'd be. (Lane, PLEASE don't do that, huh?)

As it is, the link is to another recognized board, and I must assume they have their own standards for posting loads. And, yeah, there are some few links we don't allow on THR, but these mostly pertain to truly offensive hate sites, porn, and such - - matters in bad taste AND way off topic for a shooting interest board.

The link supplied gives readers a place to go and look at a discussion. In his posting at shootersforum, Lane puts up a cautionary statement - - Not so strong as what we require at THR and TFL, but pretty noticeable. I'm going to leave it visible. I figure, nay, I PRAY, that anyone contemplating similar experimentation will proceed with proper fear and trepidation. (If you follow that link, you'll notice that Lane used a LONG string to trigger those loads.)

I, as a staffer for this board, do NOT endorse the smokeless-in-a-muzzleloaderl practice. However, neither do I assume responsibility for trying to moderate another board. ;)

And, yes, I'm familiar with loading smokeless into MANY cartridges originally designed for black powder use. I do it every time I load .45-70 and .45 Colt. I simply believe there is a significant difference, which I don't have the metalurgical and engineering background to intelligently discuss.

Best to all.
Johnny Guest
THR Staff
H&R Moderator

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