45-70. Pure lead

If you're going to be shooting at black powder velocities, a pure lead bullet can work quite well, and is very effective on game.
When target shooting pure lead, the number of shots CAN result in leading, and poor accuracy. If velocity goes beyond BP levels leading will go up, and it will go up fast. Hardening with wheel weights, will improve performance on target (via less leading), your ability to use more velocity, and improve your casting results, but expansion on game will be limited, or none. Not that it matters a lot with a 45 cal hole.
The old 'eat right up to the hole' saying, works well with the 45-70, in fact, you can eat the hole! If you use reasonable loads. High end light bullet loads can make a mess out of a shoulder.
Lots of game have fallen to mine, at all pressure levels. Today, I no longer use the thumper loads. 1600fps, with a mix of soft lead and wheel weight works fine. I use an alox lube, that's all.
 
New to this bullet making stuff. So I have around 50 lbs pure lead I want to make a 405 gr hunting bullet for the 45-70. I have powder coat on order. Should be here in a couple days would this be ok for a hunting bullet or should I put wheel weights in the mix. To harden it up a bit

Thanks

Scott

When I started all I had was pure lead, Lyman 457483, sized .457, and Lyman graphite lube. With 20.0grs SR 4759 in my rebored Winchester 1886 with tang sight I got 1 1/2" groups at 85 yards (my local range) and NO leading. That was in the 1960's.
 
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