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  1. #1
    One Mile Mentor tigrr's Avatar
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    .338 reloading experiment

    .338 Lapua magnum experiment.
    So I take some home cast 225gr, powder coated, gas checked bullets.


    Resized some "For Hunting only" 338 lapua brass that was bought as once fired, but was stretched beyond being once fired.


    Dispensed 80 grains of RL22 and seated the bullets and went to my range. With eye protection in place I sent them down range. Primers were a little flat but no issues with extraction. Next I will load 3 more and crono them to see the fps and go from there. I'm guessing 2500 fps. I have 1000 338 gas checks and 1500 lbs of ww lead and a nice .339 mold and .339 bullet resizer gas check installer. Good for a while.


    Might have to set up the 1500 yard target.
    There was no powder coat in the barrel after shooting the PC bullets. Camera and patches showed no blue@ 2500 FPS. I'll do 26,27 and 2800 fps and see how they perform.
    The challenge of retirement is how to spend time without spending money.
    There is no place in an anti's head where reason can enter. from a Napoleon saying with a tweak.
    Look around is there someone you can introduce to shooting because thatís the only way we will buck the anti gun trend sweeping Canada! "tigrr 2006"

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  3. #2
    One Mile Mentor tigrr's Avatar
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    RL-22 225gr bullet between 80.8 and 93.2 max. 80.8 is 2500 and 93.2 is 3000 fps Hornady 7th edition.
    The challenge of retirement is how to spend time without spending money.
    There is no place in an anti's head where reason can enter. from a Napoleon saying with a tweak.
    Look around is there someone you can introduce to shooting because thatís the only way we will buck the anti gun trend sweeping Canada! "tigrr 2006"

  4. #3
    Super Moderator Rory McCanuck's Avatar
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    Hehe, what fun!
    Any grouping, or was it all 'Hey, nothing blew up!!!"?
    It would be nice to have a 'plinking' load.
    Lol, 80gr of powder, plinking
    Don't blame me, I didn't vote for that clown. Oct 20, '15

  5. #4
    Super Moderator Rory McCanuck's Avatar
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    That would be jacketed data though, you should be able to go a bit higher.
    Although, I'm not really sure why you would, unless you're starting to get amazing accuracy or something.
    Don't blame me, I didn't vote for that clown. Oct 20, '15

  6. #5
    The Gunsmithing Moderator blacksmithden's Avatar
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    Wow...you're driving those pretty hard. Hows the barrel leading ?
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  7. #6
    Super Moderator Rory McCanuck's Avatar
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    Quote Originally Posted by blacksmithden View Post
    Wow...you're driving those pretty hard. Hows the barrel leading ?
    Joys of powder coating, it's like a copper jacket, but in pretty colours.
    Don't blame me, I didn't vote for that clown. Oct 20, '15

  8. #7
    One Mile Mentor tigrr's Avatar
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    Quote Originally Posted by Rory McCanuck View Post
    Hehe, what fun!
    Any grouping, or was it all 'Hey, nothing blew up!!!"?
    It would be nice to have a 'plinking' load.
    Lol, 80gr of powder, plinking
    'Hey, nothing blew up" is the answer. Shot into a 4 foot wide dead fir tree holding a 12 lb gun free hand. Hope to get them going in the 2750 range. Powder coated bullets are being sent downrange at speeds up to 3000 fps. I have not tried that. 2200 to 2750 is my goal. Plinking with something not costing me a buck a bullet is the goal. I have lots of time to play.
    No barrel leading or powder coat stripping off in the barrel. I have one of those 9mm camera inspection tools that I can look right in the barrel. Then I clean it and look under a magnifier at the patches.
    The challenge of retirement is how to spend time without spending money.
    There is no place in an anti's head where reason can enter. from a Napoleon saying with a tweak.
    Look around is there someone you can introduce to shooting because thatís the only way we will buck the anti gun trend sweeping Canada! "tigrr 2006"

  9. #8
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    "...powder coating, it's like a copper jacket..." No, it isn't. Especially when most of the paint has worn off.
    I'm not seeing any .338 Lapua cast bullet data anywhere. The 2750 range is way too fast for any cast bullet though. And you need proper cast bullet data, not jacketed.
    I suspect you do have some leading, but it's thin.

  10. #9
    Super Moderator Rory McCanuck's Avatar
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    You truly have absolutely no grasp whatsoever, do you?
    Instead of spouting nonsense, maybe listen and learn.
    "...powder coating, it's like a copper jacket..." No, it isn't. Especially when most of the paint has worn off.
    I was being facetious, but please explain to the class how it differs from a jacket?
    Maybe copper plated would be a better comparison, except that the powder coating is more durable.
    It's not paint, it's not worn off.
    People remove powder coated bullet that have been fired through phone books, logs, and other media, and the powder coating is intact.
    I'm not seeing any .338 Lapua cast bullet data anywhere.
    Good for you, there probably isn't very much of it around, and all would be personally collected data.
    Doesn't mean it can't be done.
    Doesn't mean it can't be done safely.
    Some folks have an understanding of what is going on, and they sometimes do things that haven't been done before.
    That's how we got the first cannons, shoulder fired guns, arquebuses (arquebi?) muskets, rifles, breechloaders, and cartidges.
    Someone looked at a cartridge and said "What if?"
    That is how the coolest things have all been invented.
    The 2750 range is way too fast for any cast bullet though.
    Yet people regularily push them 3000fps and beyond.
    You better get on the internet and tell them they can't, despite their demonstrated proof that they can.
    And you need proper cast bullet data, not jacketed.
    Do you know what the difference is?
    Cast data is usually lower because it is generic.
    Cast bullets are softer than jacketed, so they have less friction in a barrel.
    If they are sized properly, they can be pushed as hard as jacketed, often with higher velocities.

    I suspect you do have some leading, but it's thin.
    He's stuffed a camera down the bore and found no leading.
    Your suspicion would be wrong.
    Don't blame me, I didn't vote for that clown. Oct 20, '15

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  12. #10
    One Mile Mentor tigrr's Avatar
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    But wait I put 15 grains of Unique under that bullet and send it down range at 1200 fps. In a Lapua Magnum case no less. Grouse rounds with a 12 lb gun.
    I quite often step outside the box and color outside the lines.
    ideas from here http://www.gmdr.com/lever/lowveldata.htm
    The challenge of retirement is how to spend time without spending money.
    There is no place in an anti's head where reason can enter. from a Napoleon saying with a tweak.
    Look around is there someone you can introduce to shooting because thatís the only way we will buck the anti gun trend sweeping Canada! "tigrr 2006"

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