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Cary · February 16, 2012, 11:22 AM

tahoe2
Any time the subject of using fillers comes up it is always controversial (on any forum). I've used a filler in some of my 45-70 loads for years now and will continue to do so. I use either cotton or a product called PSB (Powdered Shot Buffer). I like the performance of the PSB better but it is harder to load with. The 45-70 has only a slight tapper to it and is pretty much a straight wall case like a 357 mag just a lot bigger. I don't like the idea of using filler in a bottle neck case as you are trying to force the filler from a larger area in the case through a smaller area (the neck) before it enters the barrel. I also agree with the others that a powder change would probably work for your application. It is a free country so do what you want and be safe.
Cary

February 16, 2012, 11:22 AM	#19
Cary Senior Member Join Date: November 18, 2010 Location: Boise, ID Posts: 131	tahoe2 Any time the subject of using fillers comes up it is always controversial (on any forum). I've used a filler in some of my 45-70 loads for years now and will continue to do so. I use either cotton or a product called PSB (Powdered Shot Buffer). I like the performance of the PSB better but it is harder to load with. The 45-70 has only a slight tapper to it and is pretty much a straight wall case like a 357 mag just a lot bigger. I don't like the idea of using filler in a bottle neck case as you are trying to force the filler from a larger area in the case through a smaller area (the neck) before it enters the barrel. I also agree with the others that a powder change would probably work for your application. It is a free country so do what you want and be safe. Cary __________________ Shooters. We are a community. United we stand divided we fall.