Shawn Knight Posted March 11, 2012 Share Posted March 11, 2012 I am just wondering where 147 grains came from. As in the history. I can't imagine someone just said I think 147gr sounds like a good number. Why not 3 more grains? Or why not 2 less grains and have a 145gr bullet? Were the originals just reswaged 147 308s? Did the person making them have a phone sitting next to him? Link to comment Share on other sites More sharing options...
Merlin Orr Posted March 11, 2012 Share Posted March 11, 2012 A veritable question of the ages.... Link to comment Share on other sites More sharing options...
freakshow10mm Posted March 12, 2012 Share Posted March 12, 2012 The 9mm was designed with an 8 gram bullet which translates to ~124gr. 115gr is about 7.5 grams and 147gr is about 9.5 grams. Half a gram less than original, one and a half grams more than original. The 9mm bullets were developed in grams, not grains and that's why the numbers are funky and not "cool" like some others. Link to comment Share on other sites More sharing options...
Shawn Knight Posted March 13, 2012 Author Share Posted March 13, 2012 OOOOHHHH!!!!! I get it!! Link to comment Share on other sites More sharing options...
Lonely Raven Posted March 14, 2012 Share Posted March 14, 2012 Great thread...I've always been wondering this myself, but never got around to asking. Thanks for that info FS10mm! Link to comment Share on other sites More sharing options...
Leftridge Posted March 15, 2012 Share Posted March 15, 2012 Learned something new today Link to comment Share on other sites More sharing options...
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