357 125gr "factory load"

[moxie]

The reduction in loads has taken place for a number of reasons. First, methods of measuring pressure and velocity have improved greatly. Second, the litigious nature of society in general.

I, too, have used the old loads safely, and know of no documented cases where a gun or a person was injured using loads published back when. I consult both old and new data, then proceed. The safest way, of course, is to follow current published data.

 

[Striker Fired]

When you look at some of the differences,look at the pressures,if they publish them. Often times the book will state a max of 10gr ,but the pressure is 4000(psi or cup) or more less than what the caliber is rated for. Some of it may be due to litigations, some due to making sure people don't run hot loads in 100year old guns, some due to lot to lot variations, the list goes on. Thats why load workups are important to do in your gun to know what it can take.
If a person could just put in a charge and bullet without any sort of experimenting, what fun would it be? Playing around is what I like the most out of shooting/reloading.

 

[Edarnold]

Regarding the velocity differences between 125gr jacketed and 158gr lead bullets, the factor too often ignored is friction. A lubricated lead bullet is positively slippery going up the bore compared to jacketed or plated lead, and the difference shows up in revolvers once you clear the cylinder gap. From that point till the bullet clears the muzzle, the propelling gases have the choice of following and accelerating the bullet or escaping out the gap. The more friction, the more velocity lost.
We are fortunate that the Magnum pioneers like Wesson, Keith and Sharpe were not 'blessed' with today's jacket bullets, or they might have been so disappointed with their experiments they would have given up.
IMHO

 

[murf]

what weapon are you using for your "slow" loads?

a test barrel doesn't have a b/c gap. so, their loads will go faster.

lead bullets are slicker than copper and will go faster.

murf

 

[jim8115]

Never used 2400, but with a 125XTP, out of a 6" GP100, using just under max load of H-110 according to hodgdon site ( 21.8 Grains) I averaged right at 1700 FPS.
For some reason I get really good results with h-110 with the light bullets, but with 158 Grain I have better luck with AA#9

JIM