I do have moulds and the other stuff necessary for casting, and will do so for the Classic Sporting Rifles Shoot. But in the midst of a heat wave and with other factors including old age and laziness I would like to buy a hundred or so “OK” bullets to practice with my low wall 25-20 SS.  They don’t have to be match grade, but need to be better than culls and rejects. Can anyone point me at a likely source?
TIA ~ Froggie

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When I was messing with the 25-35 I found with my rifle it did its best with heavier cast bullets.  Standard twist for the cartridge was 1/8" which is pretty torquey.  I think that the high torque 8" twist needs bullets with a lot of bearing surface to prevent skidding for the length of the bullet.  
  If you recover some fired bullets you can see that the land cuts in the bullet are wider at the front of the bullet than at the base.
With short light bullets the wide cuts can go for the length of the bearing surface so accuracy results are unpredictable. The more a barrel is worn the more it affects the results.  I decided that long bullets with lots of bearing surface are the best bet for accuracy with less than perfect bores in the 25-35 chambering.
  After my testing of the cartridge in a well worn bore of a model 1894 Winchester I decided the best of our bullets for worn bores in 25-35 is the NEI 120gn GC because it has the most bearing surface of all our 25 caliber offerings. 
 

With the 25-35 bore condition has a compounded affect due to the very fast 8" twist.  If your bore is in very good condition with clean sharp edges to the lands it should do well with those bullets your using right up to max velocity for the cartridge.   Poor bores may be more limited in max velocity for good accuracy.
Winchester engineers gave the 25-35 a fast 8" twist to stabilize the 117 grain standard bullet used in the cartridge. They had the job of trying to balance bullet weight/limited velocity to be adequate for  deer size game.  Other 25 caliber cartridges with higher velocity potential such as the 250 Savage 257 Roberts standardized the 1/10" twist for the caliber but for the most part they were shooting lighter bullets than the 25-35. 1/10" is now standard for 25 caliber and is the only twist rate offered by some barrel makers.
The 25 caliber is now receiving attention as others with long range shooters with fast twist barrels and long heavy high BC bullets.
  So why were we given the 25-35 ?  I think that maybe the model 1894 carbines were a little to much in recoil for many shooters and the 25 was much easier and still offered  acceptable performance on the same size game.  
  I know as a lad shooting the 94 in 30-30 hurt and I doubt I was the only one that thought so.