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Thread: Custom Smokeless Muzzleloader

  1. #11
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    Quote Originally Posted by Fox View Post
    If you were able to increase the BC on the bullet it would do wonders, although I an not sure of too many boat tail 45 cal bullets.
    Here's a pic of the XTP before and after my modification, if that doesn't improve the B.C. of the bullet I don't know what does, and there isn't any boat tail. I have shot some of Barnes bullets with the boat tail and square bases always have better accuracy.I have shot this bullet out to 300 yrds with fantastic results.

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  3. #12
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    Quote Originally Posted by smokeeter View Post
    Here's a pic of the XTP before and after my modification, if that doesn't improve the B.C. of the bullet I don't know what does, and there isn't any boat tail. I have shot some of Barnes bullets with the boat tail and square bases always have better accuracy.I have shot this bullet out to 300 yrds with fantastic results.
    Ok, so your mod is to put a point on it, got ya.

    I just meant that with that speed in a more stream lined bullet the down range velocity would increase.

    Maybe a .375 in a sabot with a BC of .357, but then again I may be talking crazy.

    I really enjoy thinking of this stuff but at the moment I have to live through others.

    Looks like a sweet smoke pole.

  4. #13
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    Why don't you try some .458 bullets? The Barnes 300gr semi spitzer has a bc of .289 The .452 bullets are lacking in that department.

  5. #14
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    I believe you're referring to the barnes originals my forming dies were modeled around their design these modified bullets have a B.C. equal to or better. The Barnes solid copper Spitfire and TEZ have a better B.C. but that is do to the longer ogive and plastic tip.

  6. #15
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    Quote Originally Posted by smokeeter View Post
    I took this one out on it's maiden voyage, I resized the spitzerized 300 gr. xtp's to .4493 dia. used a greased veggie wad and 60 grs. of Imr 4198 and a federal 209A primer , speeds were around 2530 fps with a low ES. The first shot out of the clean barrel is a little high but the other 2 settled in nicely. I only had 3 vials of powder measured at this load. Nothing fantastic but shows promise.
    Absolutely amazing how those modified bullets with a bit of a shoulder punched clean holes, , you would think they were "die cut".

  7. #16
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    Took her out for another spin today. Modified 300gr XTP's 60 gr. of Imr 4198 and a greased veggie wad. Load and go, no cooling between shots.

  8. #17
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    Have you ever considered making a ML in 338? The thought of this intrigues me. There is a ton of bullet availability out there as well.

  9. #18
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    Yes I have but with smaller dia. bore size there are increased pressures. Slower powders are needed but in larger volumes which increases the powder column there by leaving less usable barrel length. Not to mention that a lot of hunting zones have a min. size requirement.
    Smaller bores are intriguing but not without many challenges ...............but you never know.
    I think the .45 cal. is the most versatile caliber and does everything I need done with a muzzleloader, I can shoot .40 in sabots or sabotless .45

  10. #19
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    I found an interesting article but have since lost it. They talked about taking a barrel and slicing a small piece of it off and making that into a die. So the bullet essentially became perfectly fitted to the lands and grooves. Incredibly accurate.

    I think I will try the 45 cal next.

  11. #20
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    That is how the full form sizing dies are made. a one inch length of a particular barrel is cut and turned down just before the lands and grooves of the bore it is fit inside of a tapered die, this permits a slight adjustment for sizing bullets. The cross section alone isn't sufficient because certain bullets have springback when sized. Different bullets require different adjustments the individual bullets are tested for fit. I have two such FF dies for two of my .45 smokeless muzzies and they are excellent for specific sizing, these bullets are seated directly over the powder charge. When I use smooth formed bullets a greased veggie wad is placed between the bullet and powder to help with the seal and ignition of the smokeless powder.

    Here's a pic showing various bullets that have been Full Formed for a particular bore, notice the striations on the side of the bullets, the settings on the dies were all different for the different bullets.
    Last edited by smokeeter; August 15th, 2015 at 10:50 PM.

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