Hunting with cast lead bullets

Discussion in 'Firearms & Ammunition' started by njc110381, Jan 11, 2019.

  1. 7x57Joe

    7x57Joe AH Veteran

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    Tin is mostly to break the surface tension so the mold can fill out better and only about 1.5% is needed. Antimony makes for a hard alloy but, as someone said it will shatter if too much. A little copper in the PB SB Sn alloy makes it somewhat harder but, more important, makes it tougher so as not to shatter, or so I am told. I have never tried such a hard and tough alloy because 12-15 BHN is all I've needed.
     
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  2. Von Gruff

    Von Gruff AH ENABLER GOLD SUPPORTER AH Legend

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    We have been using babbit for the copper content and getting the toughness and hardness up into the high 20's BHN without the brittless and allows for high velocity with the nose performance to take game.
    For my 2400fps 160gn 7x57 bullet I used a 100gn lno shank with 60gn 50/50 nose in a bore riding bullet.
    casting 027.JPG 008.JPG

    Getting the scope dialled in for this load and at 2416fps it is an easy 200yd load. Next adjustmant (R 2 clicks) had it right at right where I wanted it at 100yds.

    001.JPG
     

  3. bruce moulds

    bruce moulds AH Elite

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    very good von gruff.
    I recall ross seyfried doing similar, but his bullets looked nowhere as good as yours pre firing.
    bruce.
     
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  4. Von Gruff

    Von Gruff AH ENABLER GOLD SUPPORTER AH Legend

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    Thanks Bruce. I made a ot of the 50/50 bullets then cut the nose of and sized it to just under as cast dia.
    I would put a nose in the mould (use fine nedlenose pliers to keep fingers away from thr heat :whistle: = experience) and fill with lino eavinf a decent sprue puddle when that had silvered off I put the mould into the pt till the sprue starts to shine telling me it both alloys have melted and become one so there was no danger of them breaking at the join. You can see from the pic in the previous post how well they he;d together. I would have a wet towel handle and a fan that I could start the cooling process but waited till sprue was well set before turning out the bullet and starting on the next one. Weight difference bullet was generally in the dismissable area so these were very accurate bullets and one that was better than the NP in its weight retention. Killed a lot of goats with them.
    casting 004.JPG casting 024.JPG casting 018.JPG casting 027.JPG
     
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  5. bruce moulds

    bruce moulds AH Elite

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    good post von gruff.
    just shows what you can do if you have a go.
    bruce.
     

  6. Ridge Runner

    Ridge Runner AH Enthusiast

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    I just started reading this thread so I don't know what all the others have posted. I'll most likely reiterate what others have already posted.

    Your OP is about using cast bullets, others, that I have thus far read, talk about paper patch.

    You are asking and saying you want to cut cost ....there by save on ammo costs.

    It's all about metallurgy!! When it comes to casting bullets!!!

    Variables ... Variables..... Variables!!!!????

    Your OP is relatively vague.

    For plains game: range, caliber, velocities wanted-----velocities needed-----velocities required??????

    For dangerous game: range, caliber, mandatory velocities and PENATRATION!!!

    I WOULD NOT recommended any lead base bullet for dangerous game, WITH EXCEPTION OF CATS, AND CROCS. Why? Because of the thick hide, mussle, and fat!

    Wheel weights...too much variation in compounds to reproduce the same BC from batch to batch. Bullets from wheel weights CAN BE....BUT NOT NECESSARILY .....HARD ON.....,.rifling!

    Research, Research, Research......
    Experiment, Experiment, Experiment....
    Test, Test, Test....

    Research historical records.... What was hunted by those of the black powder/muzzleloading era and black powder cartridge era. And the calibers they used on various game.

    Experiment (test) your loads, i.e. the phone book and then on game small to big...know the limits of your caliber firearm.

    Test your loads starting with small critters and work your way up to bigger animals until you reach the optimum size of powder charge to bullet weight/caliber to animal.

    Now, to using lathe and round bar stock, copper alloys for solids for dangerous game bullets. New chapter. MORE research. More math. More experimenting.

    I mentioned black powder because what our fore farthers used is a starting point. By Converting black powder load pressures to smokeless equivalent grain weights and pressures and you now have a starting point for loading any type of cartridge.
     
    Last edited: Sep 29, 2019

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