RCBS Powder cylinder assembly

wiz1997

May 04, 2015 12:19

Going through some boxes and found an RCBS powder measure cylinder.

Trying to determine if is the large or small one.

Any ideas on how to determine which one I have?

Online pics and the RCBS website haven't helped.

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  rufe-snow

  May 04, 2015 13:13

  Post a photo of it. Noting it's dimensions. Hopefully one of our folks, will be able to identify it.

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  charliemeyer007

  May 04, 2015 14:00

  I have and use an older duel drum RCBS powder measure. The bore for the small drum is .500 measured and the large is much larger guessing 3/4 looking down the hopper. Drum diameter is 1.970, the thickness is 1.510 with 3 screw holes on the side of the drum for the handle.

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  wiz1997

  May 04, 2015 14:45

  Thanks.
  
  The bore on this on is .675 so I think it maybe the larger one.
  
  Drum diameter is 1.868, difference in model?

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  tsr1965

  May 04, 2015 16:00

  Every thing was the same except for the bore diameter, and corresponding plunger. Even the top nut screwed into the cylinder, that held the plunger, and had an external thread, and internal thread. You switched it from one cylinder to the other. When I started loading over 40 years ago, the powder measure came with both cylinders and plunger's. I still have it today.

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