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30-30 Cast bullet trials

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  • Ventura Guy
    Member
    • Oct 2008
    • 338

    30-30 Cast bullet trials

    After getting into loading this year and really enjoying it I decided to purchase a Marlin 336 in 30-30 to explore the possibilities of this cartridge.
    I have found that with jacketed bullets the system has pretty much been refined to where anybody with basic loading experience will have success. Its an easy bullet to load and many powders work well with jacketed bullets.

    However, I like to shoot and I like to shot a lot! In these times the cost of jacketed bullets is just not in my budget for the volume of bullets I throw down range. This leads me to cast bullets.

    Like jacketed bullets, cast bullets have also been pretty much dialed in enough to get in the ball park but there are a few items I waned to share that if I had known would have saved me a lot of time.

    1.) Buy a Lyman cast bullet relaoding book! No kidding, this book has information that YOU WILL NOT FIND ON THE INTERNET!

    2.) Commercial made gas check lead bullets will not save you a bunch of money over jacketed unless you buy volume. http://www.westernbullet.com/ly3gr2.html

    3.) Commercial made plain base bullets WILL save you a bunch of money. http://www.missouribullet.com/results.php?category=6

    4.) Make sure ALL of the copper fouling is out of the barrel before you shoot cast bullets.

    5.) Plain base cast bullets are best ran between 1000 and 1400 FPS.

    6.) Plain base bullets love fast burning shotgun and pistol powders.

    7.) There is no load data for plain base cast rifle in any of the reloading books

    After many trial runs with the missouri plain base bullets I would like to share what I found so far....

    Powders

    H335: Great with jacketed bullets. Bad with plain base cast bullets. Burns the lube of the bullet before exiting barrel. Leads the end of the barrel. Bullets fly all over the place!

    H4227: Shoots PB cast bullets straight at velocities under 1300 FPS. 1400 FPS and over and you get flyers. Smokes quite a bit. No leading under 1300 FPS.

    Unique: Works well with 7-10 grains. No leading. Keep below 1300 FPS. Smokes but is accurate.

    Red Dot: Works the best for lead plain base up to 1400 FPS. Almost no smoke which tells me its not burning much lube. No leading under 1400 fps

    Conclusion

    After many tests I have found that I can run both Missouri bullet company's 135 and 165 grain plain base bullets over 6.5 grains of Red Dot and get same point of aim accuracy as I do full power jacketed bullets out to 100 yards. The small powder charge does not have an effect on accuracy and I do not use any fillers. There is virtually no smoke from the bullet lube being burned and there is no leading. I would compare the sound and recoil to that of a .22 magnum. This load allows me to use the same sight settings with both full power loads and reduced loads.

    The Lyman Cast Bullet handbook is where you will find the best information and loads for the velocity you are trying to achieve.

    Missouri Bullet Company is the best commercial resource I have found for cast bullets. I run them in my pistols, revolvers, and rifles. They are spot on when it comes to customer service and shipping. I've never had to wait over five days for an order to be on my door step. http://www.missouribullet.com/index.php

    Next, I will try my hand at casting for the 30/30. I'm going the cheap route, Lee Bullet mold, liquid Alox, wheel weights, coleman stove, and cast iron pot!
    Wish me luck
  • #2
    Nodda Duma
    • Nov 2007
    • 3455

    The 30-30 is a great cartridge and very common back east for deer hunting where your longest shots are only 50-75 yards.

    -Jason
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    Help feed my children by clicking here.

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    • #3
      f4tweet
      Senior Member
      • Oct 2005
      • 2022

      Check to see if the barrel is Micro-Groove. I was told by Marlin that you are not supposed to shoot lead through Micro-Groove. If it is Ballard rifling, it's OK.

      Comment

      • #4
        buffybuster
        Veteran Member
        • Oct 2005
        • 2615

        I use 170gr RFP Plain Base Lead and ~8-9grs of Trail Boss. NO CHANCE of double charging, never chrono'd it but I think is going ~1200-1300fps. There is a "crack" but no muzzleblast/recoil. Just like a big 22lr. Doesn't lead, hit steel at 100yds with same sight setting as jacketed ammo.
        Luck favors the prepared.

        The original battle plan did not survive initial contact with the enemy.

        "The things that will destroy America are prosperity at any price, peace at any price, safety first instead of duty first, the love of soft living and the get rich quick theory of life." -Theodore Roosevelt

        Comment

        • #5
          buffybuster
          Veteran Member
          • Oct 2005
          • 2615

          Originally posted by f4tweet
          Check to see if the barrel is Micro-Groove. I was told by Marlin that you are not supposed to shoot lead through Micro-Groove. If it is Ballard rifling, it's OK.
          That's kind of a myth. You can shoot lead bullets through a micro-groove barrel and if it's set up right it will be quite accurate.

          The Micro-Groove is a button rifled barrel with (depending on caliber and time period as the spec's have changed over the manufacturing cycle) ~9 grooves for .308" barrel. The grooves are relatively shallow. To get good cast bullet performance Micro-Groove barrels usually do better with slightly oversized bullets. (.310-.311" bullets for .308" barrels) as the barrels do also generally run alittle on the large side (.3085-.309).

          If you shoot slightly undersized bullets (relative to the actual barrel bore) in a Micro-Groove barrel, you could get excessive leading, which unchecked could lead to excessive pressures.

          The Ballard type rifling makes shoot lead much easier with the sharp edges of the rifling gripping the bullet much easier.
          Luck favors the prepared.

          The original battle plan did not survive initial contact with the enemy.

          "The things that will destroy America are prosperity at any price, peace at any price, safety first instead of duty first, the love of soft living and the get rich quick theory of life." -Theodore Roosevelt

          Comment

          • #6
            M1884
            Member
            • Dec 2008
            • 156

            Micro-grooves....Back in the '80's, Ed Harris wrote a piece in the AR about loading cast bullets in such barrels. His conclusion: The best designs to use are the ones with many groove-diameter bearing bands running along most of the length of the bullet. The "bore-rider" types do not do well, as the bore-riding front section is dimensioned for conventional barrels.

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