This is a discussion on power factor ?????? within the MP Reloading forums, part of the Smith & Wesson MP Forum category; We did have two out of 20 rounds that were under by 21fps and 26fps, but its close enough for me, I just needed the ...
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|September 11th, 2015, 08:30 AM||#16|
Join Date: Aug 2015
Location: Mt.Olive IL
We did have two out of 20 rounds that were under by 21fps and 26fps, but its close enough for me, I just needed the recipe to make power factor for IDPA, I feel much better now
|September 11th, 2015, 03:01 PM||#17|
Join Date: Apr 2015
|November 9th, 2015, 06:09 AM||#18|
Join Date: Sep 2013
Location: Willamette valley
Keep in mind that the lowest velocity to make power may not be the most accurate. For 124g plated, I get the best accuracy with 4.2 grains of TiteGroup. That would be out of my M&P pro with the 5" barrel.
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|November 11th, 2015, 02:26 PM||#19|
Join Date: Apr 2013
For lead bullets, I have 10-shot averages (depending on bullet, COL, and temperature) of 1044, 1073, 1073, 1073, 1073, 1082, 1095, 1096, 1107, 1112, 1112, 1116, 1128, 1136, and 1140 (PFs of 132-137).
For real jacketed bullets, I have 10-shot averages of 1048, 1075, and 1100 (PFs of 130-138).
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