257 Roberts Load Data

[rodbuilder]

Greetings fellow CGN'ers!!

I was just going through the tickle trunk & found some bullets I forgot I had. I found @200 rounds of Speer 60 gr. spire point bullets.

Does anyone have any load data for the 257 bob that I can use for these? I want to use IMR4895 for powder and was thinking that some place around 42 grains might produce a good fast round while still staying safe.

What does everyone think?

 

[mbogo3]

From Hodgdon's 25th edition 60gr bullet/IMR4895 -42gr/3361fps/37000CUP...........46gr/3774fps/44900CUP...... MAX..................Use at own risk..........Harold.......they don't mention C.O.A.L.

 

[Fassteel]

I think the new Hornady manual has data for 60 bullets in 25 cal. FS

 

[sunray]

There's 60 grain data on Hodgdon's site. None for IMR4895 though. Likely be some in their manual.
My old 45th Edition Lyman book gives 39.0(3205 fps) to 43.0(3497 fps) of IMR4895 for a 60 grain jacketed bullet. Accuracy load was 39.0 of IMR4895.

 

[mbogo3]

Sixth Edition Hornady has data for 60gr but not IMR 4895 not sure if they have a newer book out.I like the older Hornady book...........Harold.

 

[bigedp51]

Can your wife spin straw into gold?

Speer manual dated 1974

Retired with nothing to do and all day to do it.