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List of "shorter" 7mm 150gr bullets to load 284 win (std short action 2.800)

Discussion in 'Handloading and Reloading' started by 98s1lightning, Jun 28, 2020.

  1. 98s1lightning

    98s1lightning Member

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    I'm looking to get a list together of shorter bullets 150 grain to load 2.800 COAL 284 win.
    I'm not interested in loading 140's, in my mind if I was gonna shoot 140's I could have got a 0.277 or 6.5 gun.

    I tested some #1913 sierra gamekings and the accuracy was erratic vertically with 0.5 powder increases.

    The nosler partition was what I was hoping to load but the bullet is 1.220". This is on the max of bullet lengths I want to use. At this length they start to intrude on powder space.

    The 145gr Speer HotCor might be the closest to what I'm looking for......even though it's a touch light.

    The Speer grand slam 150s I think discontinued may be good too.

    I wanted to try the flat base bullet next to see if the gun likes them better. Idk the twist rate but I'm guessing it will like them better. The Winchester PowerPoint 150 shoots good, if I if it's sensitive to charge increase/decrease because this is factory ammo I'm referencing. That's supposed to be a flat based bullet. I see I can buy the win PowerPoint components to reload, that may be my best option.

    On a quest to get the gun to shoot to same point of aim as factory win PowerPoint........buy the same bullet for my reloads!
     
  2. troy fairweather

    troy fairweather Member

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    I don't know who made them or show name they used, since I got these as blems I don't know. There a 150 sp looks hornady or federal/winchester like. They shoot great, dummy me when midway had them for $7-100 about 5 years ago I said I'll try 100. I should have gotten 1000s.

    it's the one on the left, I made a thread one time trying to make the bullets, I have to go back and look and see what we thought it was.

    I would use the 145 hot cor they are what I'm going back to after this season.

    DSCN0317.JPG
     
  3. 98s1lightning

    98s1lightning Member

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    That looks like a hornady sst to me.
     
  4. troy fairweather

    troy fairweather Member

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    different tip and think the jackets thicker.
     
  5. troy fairweather

    troy fairweather Member

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    Plus these are flat base, all the sst I've used have that beveled base more then a boattail.
     
  6. 98s1lightning

    98s1lightning Member

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    Maybe I'm thinking spire point hornady
     
  7. 98s1lightning

    98s1lightning Member

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    Anyone have a 145gr grand slam on hand they could measure?
     
  8. Craig28

    Craig28 Member

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    The bullet on the left looks like a hornady 154 grain interlock flat base. I have a box of the same bullets, but mine have boat tails.
     
    Last edited: Jun 29, 2020
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  9. troy fairweather

    troy fairweather Member

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    It's dead on 150 grains tho, and think the cannalure to tip was shorter to.
     
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  10. Craig28

    Craig28 Member

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    It must be a discontinued bullet then if it's a hornady. My hornady 10th manual only shows 154 grainers aside from the 150 ELD-X.
     
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  11. troy fairweather

    troy fairweather Member

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    It looks to be made just for the 7wsm, it's the perfect col when seated to the cannalure. And shoots great, I got about 20 left.
     
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  12. Bandit67

    Bandit67 Member

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    Here you go.
    20200629_083716-1.jpg 20200629_084741-1.jpg
     
  13. 98s1lightning

    98s1lightning Member

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    Bandit67 thanks!!!! What do you measure from cannelure/crimp groove to nose of bullet?
     
  14. 98s1lightning

    98s1lightning Member

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    1.092 bullet overall length I see. That's a shorter one.
     
  15. Bandit67

    Bandit67 Member

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    Oops I guess that should be 1.092. It was early and I didn't have enough coffee yet.
    I'll try to get that Cannelure to nose when I get home later
     
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  16. Bandit67

    Bandit67 Member

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    Forgot to post these earlier too. Straight out of Speer No. 13. They tested the 145 GS at 2.800 so you should be good to go.
    20200629_150050-1.jpg 20200629_150042-1.jpg
     
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  17. 98s1lightning

    98s1lightning Member

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    Ya, it would be cool if the crimp to nose works out to be correct location. I think the grand slam is as "premium" a bullet I'll need for a sub 300yd gun. 2.5-8 powered hunting rig.
     
  18. Bandit67

    Bandit67 Member

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    Speer 145gr. GS
    Base to top of cannelure=.365
    Top of the cannelure to nose=.727
    Total length = 1.092
    I wouldn't even worry about the cannelure. Just seat to 2.800 and work up a load.
     
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  19. Bwana John

    Bwana John Member

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    I say the shortest for its weight would be a flat base, with a round nose.
     
  20. 98s1lightning

    98s1lightning Member

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    Dang, I don't like having the cannelure down inside the neck....it reduces neck tension greatly. The 284 neck is super short.

    I'll have to think the grand slams over....Thanks for you help!!! You saved me from spending a bunch of money and getting aggravated on a guess.
     
  21. 98s1lightning

    98s1lightning Member

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    Anyone a big fan of the Speer HOT COR??? Results on game?
     
  22. GooseGestapo

    GooseGestapo Member

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    Speer 130 HotCore .277”
    Gun prefers 140’s and 150’s, but need to shoot up the 130’s...

    Second coyote fell to .243” 90gr HotCore.
    This year, I’ll be using some 7mm 130gr Bt Hot Cores.
    Best economy bullet going...
     

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  23. troy fairweather

    troy fairweather Member

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    The hot cor are a great bullet, just keep it under 3000 in case you have to shoot up close. And there hard to get for the money.

    here are some 140s in my 6.5 prc I did two weeks ago, these were the first place from the rifle.

    IMG_20200614_162819_hdr.jpg
     
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  24. 98s1lightning

    98s1lightning Member

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    How bout a 150 rem core lokt?

    Anyone got one on hand to measure length and length from crimp groove to nose
     
  25. 98s1lightning

    98s1lightning Member

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    Or even a loaded 7 mag core lokt you could measure the crimp to nose off that
     
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