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Thread: Rock Chucker accessories???? what is it?

  1. #1
    Boolit Master

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    Rock Chucker accessories???? what is it?

    stumbled across this on a common on-line auction site. Listed only as "RCBS rockchucker press accessories". Just trying to finger out what it is or does. A wrench and a nut I can figure out, but the two center items, not so much.
    Attached Thumbnails Attached Thumbnails rockchucker accessories.jpg  
    Last edited by oley55; 08-06-2021 at 03:11 PM.
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  2. #2
    Boolit Grand Master Harter66's Avatar
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    It may be a 50 BMG ram prime or it may be mismatched parts and the tube be a Lachmiller shotgun crimp die . The threads look a little small to be for an RC . It could be a shotshell or BP compression die for the RC also .
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  3. #3
    Boolit Buddy
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    Quote Originally Posted by oley55 View Post
    stumbled across this on a common on-line auction site. Listed only as "RCBS rockchucker press accessories". Just trying to finger out what it is or does. A wrench and a nut I can figure out, but the two center items, not so much.
    The threaded bolt assy and the nut look to be from a lubesizer.

  4. #4
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    hpbear101's Avatar
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    The nut is a die nut for a lubesizer, the threaded rod is for the depth adjustment on a lubesizer, the wrench could be an old style wrench for the locking nut, no Idea on the other part.
    Last edited by hpbear101; 08-06-2021 at 09:38 PM.

  5. #5
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    Thank you hpbear, I was not home and could not verify all the parts. The "other part" is a ram extension for the Piggyback unit.

    Ken

  6. #6
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    The wrench is for swapping out the big die insert nut on a RC or Reloader Spl 3-5.
    To use the Piggyback progressive reloader add on to the above presses.
    So is the ram thingy, and the nut too.
    Don't recognize the blk bolt thingy. But I haven't looked under that presscover on the back of my bench in years.
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  7. #7
    Boolit Mold
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    I think the wrench is for lubrizer, small end for die lock nut big end for lube tube lock nut on top.
    My 2 c worth.

  8. #8
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    Minerat's Avatar
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    The wrench is part of the Piggyback setup tools. The big end is to tighten the big nut under the shell plate that holds the unit to the press. The small end it to removed the conversion collar from the top of the press.
    Steve,

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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