Reloading 25-20 ss

snowy1

February 16, 2009 18:02

Help..........I just bought a really nice Remington model 2 sporter rifle cambered in the obsolete 25-20 ss cartridge. My situation is that even though I have located a set of dies and slug molds and brass I do not have a clue about what load to use!!!! Any data or perhaps a reference manual or maybe someone else has reloaded this round and would share the data. I REALLY would appreciate any help I can get.....Thanks.....Snowy1

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  CapnMidnight

  February 16, 2009 20:01

  Bill,
  These are from an old Pacific manual from 1970.
  Maximum case lenth......1.330"
  Maximum OAL.............1.592"
  Primer..............small rifle
  
  60grain Jacketed bullet
  Recommened load....... Maximum loads
  Unique 5.0gr........... 6.0gr...............................
  2400 9.0gr................. 11.0gr
  H110 8.4gr 9.5gr
  4198 13.0gr 15.0gr
  86grain Jacketed Bullet
  Unique 4.5gr 5.5gr
  2400 7.0gr 9.0gr
  h110 7.0gr 8.0gr
  4198 10.5gr 13.0gr
  Best velocity for the 60gr bullet is 2100fps with 4198, and for the 86gr it's 1505 with Unique. These are with the max loads.
  Hope this helps, happy shooting.
  W.D.
  ps, I hope you can figure this out, i had a hell of a strugle with the spacing.[:(]

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  Rocky Raab

  February 17, 2009 04:04

  First make sure what you have. The .25-20 Single Shot and the .25-20 Winchester are two completely different cartridges. If you just look up .25-20 you'll find a good amount of data, but it's all for the much more common Winchester version.

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  XXCross

  February 17, 2009 08:22

  Looking at my Belding & Mull loading book, It seems that the load data for the 25-20 SS and the 25-20 Repeater are the same. (tenth of a grain here and there but that's all)

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  25wcf

  February 18, 2009 19:29

  Here is some information from Complete Guide To Reloading by Philip B. Sharpe:
  
  
  
  

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  Rocky Raab

  February 19, 2009 05:46

  Be very cautious if you decide to use any of that data. Today's primers are much more powerful, and the two still-existing powders in that list are also hotter than when those loads were crafted. The gun hasn't magically gotten stronger, either.

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  slumlord44

  February 20, 2009 19:19

  Fill the case with 3F blackpowder and lilghtly compress the charge. These guns were made for black and it is impossible to overload it with black powder. Just be sure to clean with hot soap and water immediately after you are finised.

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