Sunday, November 17, 2013

Imr 4007 ssc recipies?

No, I worked off of manual loads...estimates. I have not fired the lighter bullets in 22-250 since I got my chronograph. However! Judging by same weight charges with similar weight bullets, again according to the manuals, the 4007SSC provides more velocity per grain. At least, in those two bullet weights.

For example:
-Using the Sierra 55gr bullet and 38.0gr of IMR4007, the velocity is estimated to be 3680fps.
-Using the Nosler 55gr BT and 38.0gr of H380, the velocity is estimated to be 3500fps.

Lots of room for variation and error, but just to give an idea.

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