Shot my Marlin 336 .38-55 JES Rebore yesterday - Page 3
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Thread: Shot my Marlin 336 .38-55 JES Rebore yesterday



  1. #21
    Wrangler
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    In my JES rebore H-4895 and the RCBS 37-250 -FN bullet shoots very well.I am getting just over 1 inch groups at 100 yds.with fairly heavy loads.
    Fpd4017, reivertom and 94win30wcf like this.

  2. #22
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    Quote Originally Posted by Fpd4017 View Post
    Exactly two weeks from when I shipped it to when I got it back. Pretty quick.
    I'd say mine will take a few days longer if he's on the same schedule. I'm in Kentucky, so it has to go a bit farther.
    ballistics04 likes this.

  3. #23
    Tinhorn
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    Quote Originally Posted by Herrschutz View Post
    Fps4017,

    Love the rifle and caliber.

    I have found three best accuracy nodes with the 38-55.

    I would wager that if you drop the fps of the 250 gr plain base bullet to the 1,080-1,090 range using 8 to 8.5 gr. of Unique and a Large Pistol primer they may all touch! May want to try Herco as well using around 10% more weight than Unique.

    With H-4198 21.0 gr and CCI-200 primer at around 1,450 fps plain base 250 gr bullet

    On the high end, Rel #7 in the 26 gr range and CCI-200 at around 1,650-1,700 fps 270 gr Gas Check bullet.

    Looks like you have a new best friend to keep you experimenting for awhile.

    Enjoy.
    Thanks! I'll give some of this a try. You're right. This thing will keep me experimenting for awhile.
    Cliff
    USN Ret. FPD Ret. CCSO Ret.

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  5. #24
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    Got my rifle back from JES today. (336, 38-55) I had a minor surgery thing today, but I still started working on the brass to load up for it. I will wait until tomorrow to throw the powder charges, I'm still a bit groggy. I can't wait to get to the range.

  6. #25
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    Quote Originally Posted by reivertom View Post
    Got my rifle back from JES today. (336, 38-55) I had a minor surgery thing today, but I still started working on the brass to load up for it. I will wait until tomorrow to throw the powder charges, I'm still a bit groggy. I can't wait to get to the range.
    Enjoy! It seems my all around plinking and target load is going to be the 250 gr cast bullet with 9 gr Unique. It's pleasant to shoot and accurate. If I need to push a bullet faster I'll probably use 4198. Hmm, just remembered I have a pound of IMR 3031 laying around. Maybe I'll give that a try.
    reivertom and ballistics04 like this.
    Cliff
    USN Ret. FPD Ret. CCSO Ret.

  7. #26
    Sidewinder
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    Quote Originally Posted by reivertom View Post
    Got my rifle back from JES today. (336, 38-55) I had a minor surgery thing today, but I still started working on the brass to load up for it. I will wait until tomorrow to throw the powder charges, I'm still a bit groggy. I can't wait to get to the range.
    good idea, I know the feeling.

    Sent from my SM-G930R4 using Tapatalk
    reivertom likes this.

  8. #27
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    Quote Originally Posted by Fpd4017 View Post
    Enjoy! It seems my all around plinking and target load is going to be the 250 gr cast bullet with 9 gr Unique. It's pleasant to shoot and accurate. If I need to push a bullet faster I'll probably use 4198. Hmm, just remembered I have a pound of IMR 3031 laying around. Maybe I'll give that a try.
    I found 3031 is a great powder for many of the old hyphenated cartridges. I used it in my former 45-70 up to the point of killing at both ends, and it was always accurate. As I posted earlier I have found it to be the best in my 35-30 so far with the Hornady 200gr.. I also used it in 30-30 until I started loading the LVR powder with the gummy tips. I have 250 of the Hunters Supply 260 grain plain cast from Midway. They were the only reasonable choice they had in the .377 diameter lead for the JES bore. I haven't found any data about that particular bullet, so I'll just have to give it a edumacated guess. I'll start with the 255gr cast data.
    Last edited by reivertom; 03-19-2020 at 08:36 PM.
    ballistics04 likes this.

  9. #28
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    Congrats on the re-bore! It's like having a brand-spankin-new barrel.
    reivertom and Fpd4017 like this.
    Team 375 #103, Team 32 Special #97, Team 30-30 #768, Team 45-70 #1431, Team 35 #433, Team Glenfield #70, Team Mitchell #59
    Retired Army, Light Infantry (20 years) - 1986-1990, 1997-2013, Team .375 Captain, Team Glenfield Co-Captain

  10. #29
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    Quote Originally Posted by reivertom View Post
    I'd say mine will take a few days longer if he's on the same schedule. I'm in Kentucky, so it has to go a bit farther.
    It was a 2 week turn around on mine, and that was over the Thanksgiving weekend from northern NY, 2016, 30-30 to 375 Winchester.
    Team 375 #103, Team 32 Special #97, Team 30-30 #768, Team 45-70 #1431, Team 35 #433, Team Glenfield #70, Team Mitchell #59
    Retired Army, Light Infantry (20 years) - 1986-1990, 1997-2013, Team .375 Captain, Team Glenfield Co-Captain

  11. #30
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    Quote Originally Posted by ballistics04 View Post
    It was a 2 week turn around on mine, and that was over the Thanksgiving weekend from northern NY, 2016, 30-30 to 375 Winchester.
    Got mine back Wednesday. It was just under 3 weeks. I am happy with that. I'm waiting on decent weather and a free afternoon!
    ballistics04 likes this.


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