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Thread: Need help to keep my Bubba'd rifle running

  1. #1
    Boolit Man
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    Need help to keep my Bubba'd rifle running

    Have a Arisaka 7.7x58 that Bubba reamed the shoulder area of the chamber so now the shoulder is way far forward. My 7.7 dies move the shoulder back when I attempt to neck size the brass. Tried 7.52x54R die but same thing. How can I neck size my brass without touching my "custom" shoulder?
    P.S. The rifle is not rechambered in another caliber(i.e. 30-06) as it will not chamber other calieb ammo. Only the shoulder area was reamed forward- a true Bubba job.

  2. #2
    Boolit Master

    Bookworm's Avatar
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    So you have a 7.7x58 Bubba Improved ?

    Sort of like an Ackley Improved, but not as Improved......
    "Varium et mutabile semper femina." - Virgil
    Man, ain't it the truth....

  3. #3
    Boolit Master

    Calamity Jake's Avatar
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    Get another size die and cut about " off of it.
    If that's not enough, take off some more.
    Calamity Jake

    NRA Life Member
    SASS 15704
    Shoot straight, keepem in the ten ring.

  4. #4
    Boolit Master Jack Stanley's Avatar
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    If you have fired cases from that rifle just back out the size die so it doesn't touch the shoulder .

    Jack
    Buy it cheap and stack it deep , you may need it !

    Black Rifles Matter

  5. #5
    Boolit Man
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    Jack, when the die is backed off to not touch the shoulder the neck is not contacted either.
    Jake, removing some of the die body would allow the brass to enter the die further-dont see how that helps.

  6. #6
    Boolit Master
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    Custom Lee collet neck sizer...
    I have danced with the Devil. She had excellent attorneys.

  7. #7
    Boolit Master
    texassako's Avatar
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    Get a .303 Brit Lee collet neck die to neck size, use washers between the die and holder so the die does not hit the shoulder. There are also ways of mixing, matching, and cutting the collet pieces so you don't need washers.
    Back in the land of boolits.

  8. #8
    Boolit Master
    runfiverun's Avatar
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    any 30 cal neck size die will do the job.
    you just need to expand it back up afterwards.
    an M-die should do that.

    did they change the shoulder angle?
    like they might have cut the barrel off and short chambered an 0-6, long chambered a 300 savage or...
    I have a 31 cal 300 savage that was simply cut off re-threaded and the chamber was cleaned up on.
    it's all an educated guess,,,, till the trigger is pulled.

    this opinion brought to you by mister low-tech solution..

  9. #9
    Boolit Master
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    Neck size them with a .32 S&W/.32 H&R die after decapping with a Lee Loader decap rod &base.
    If it is Ackley type you may have to use the pistol die for seating also. Some of you are laughing and some of you are shaking your head and some of you are wondering. I have done it. It works.
    Best, Thomas.

  10. #10
    Boolit Master
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    We would love a pic of that creature next to a 7.7 and a 30-06.

    Sent from my SAMSUNG-SM-G930A using Tapatalk

  11. #11
    Boolit Master
    runfiverun's Avatar
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    I load my 358 win cases with a 38 special die set...
    they are just holes in steel.
    it's all an educated guess,,,, till the trigger is pulled.

    this opinion brought to you by mister low-tech solution..

  12. #12
    Boolit Man
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    The idea of using a 32 S&W resizing die to work the neck is interesting. One concern is precisely stopping the brass at a point where it does not touch the shoulder area. Is there a way to limit my press handle/ram travel to stop insertion at a determined point?

  13. #13
    Boolit Master

    Wayne Smith's Avatar
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    Quote Originally Posted by 4296 View Post
    The idea of using a 32 S&W resizing die to work the neck is interesting. One concern is precisely stopping the brass at a point where it does not touch the shoulder area. Is there a way to limit my press handle/ram travel to stop insertion at a determined point?
    You do that by adjusting how deep the die is screwed into the press. Ignore the instructions to screw it down to the shell holder, you have to find where the stop point is and lock your die down there.
    Wayne the Shrink

    There is no 'right' that requires me to work for you or you to work for me!

  14. #14
    Boolit Master gpidaho's Avatar
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    4296; To stop ram travel at a predetermined spot, cut a length of tubing that fits around the shell holder and sits on top of the ram. This will take a little trial and error to accomplish but will give you the stop point you're looking for. I cut the tubing a few thousandths long and sneak up on the length using a disc sander. Gp

  15. #15
    Boolit Master
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    Note also that you do not have to size all of the neck. If you size as little as 1/16 inch of the neck, that is plenty to hold the bullet and provide sufficient tension for satisfactory ignition.

  16. #16
    Boolit Master
    rintinglen's Avatar
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    Look for a 300 win mag or other short 300 magnum sizer die and replace the expander ball with one from a 7.7 or 303 die. Your shoulder should not be touched.
    _________________________________________________It's not that I can't spell: it is that I can't type.

  17. #17
    Boolit Master
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    I do what texassako does with washers and bushings and Lee Collet dies.

    Mike

  18. #18
    Boolit Master
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    Another BubbaSized Custom. In order to save Time Or money. You can Leave It and Call it Bubba Inproved @ the Gun shows
    Yes there is no end to The Bubba CUstom Rifles
    NRA Endowment Member
    International Ammunition Association
    State Rifle and Pistol Association
    ARTCA
    Conceado Nulli

  19. #19
    Boolit Master Dan Cash's Avatar
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    You are shooting this thing?????????????? Spring for a ream to .30-06 if that will clean up the chamber. If not, spring for a different gun.
    To paraphrase Ronald Reagan, the trouble with many shooting experts is not that they're ignorant; its just that they know so much that isn't so.

  20. #20
    Boolit Master
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    I've used the pistol die method to load good ammo in 7.62x39, 7.62x54, and .35 Rem. Of course this is for one rifle; they may not fit another.

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check