257 Roberts and Swift

100 grains is 100 grains. You do not load by the brand or marketing name of the bullet.
Swift what?


Incorrect!!!There will be different COAL for same grain bullets depending on the ogive of the bullet. If what you say is true then once your dies are set they would never need to be readjusted for COAL as long as you load the same weight bullet regardless of manufacture. THAT SIMPLY IS NOT THE CASE AT ALL.
 
Looking for data for the 100gr Sirocco and the 257 Roberts.

ALWAYS ALWAYS ALWAYS use a reputable (published) source for reloading info. Do not take any chances when it comes to reloading data. Despite what drivel you be fed on the internet always do your research.

The link to hodgdons is one of the best sources you will find on the net. It's updated regularly and post new loads for new bullets / new powders fairly quickly. Again do your research.
 
Who is this Sunray? All I ever see from this person is crap. Why is he/she aloud to to stay on this sight and spout out his/her dribble. It is the likes of people like him/her that give a good sight a bad name.
 
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