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120 class powders

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120 class powders
jasper2408 Offline
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Posts: 640
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Joined: Jan 2019
#62
08-10-2022, 10:48 PM
Here is the big 3 from Eric Cortina. He keeps it pretty simple.

Keep in mind that he shoots very high end rifles so attaining accuracy might be easier for him. It still helps to know where to look when you have problems though.

SD/ES = Combustion > powder-primer-case capacity variation-neck tension
Group size at 100yds = barrel harmonics > bullet seating depth or barrel tuner or both
External ballistics = bad groups at long distances > bullet quality

Here is his video if you want to watch it.

https://www.youtube.com/watch?v=6VEMZJYovMA
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Messages In This Thread
120 class powders - by Dt219 - 08-04-2022, 05:19 PM
120 class powders - by DIANEB - 08-04-2022, 05:42 PM
120 class powders - by Dt219 - 08-04-2022, 05:57 PM
120 class powders - by mdram - 08-04-2022, 06:48 PM
120 class powders - by grayfox - 08-04-2022, 07:07 PM
120 class powders - by mdram - 08-04-2022, 07:31 PM
120 class powders - by outbreaker - 08-04-2022, 09:17 PM
120 class powders - by EastTNHunter - 08-04-2022, 10:03 PM
120 class powders - by Klem - 08-04-2022, 10:15 PM
120 class powders - by dexdog - 08-04-2022, 10:17 PM
120 class powders - by Dt219 - 08-04-2022, 10:21 PM
120 class powders - by Klem - 08-04-2022, 10:40 PM
120 class powders - by grayfox - 08-04-2022, 10:55 PM
120 class powders - by LRRPF52 - 08-04-2022, 10:57 PM
120 class powders - by myrifle - 08-04-2022, 10:59 PM
120 class powders - by StoneHendge - 08-04-2022, 10:59 PM
120 class powders - by LRRPF52 - 08-04-2022, 11:13 PM
120 class powders - by Dt219 - 08-04-2022, 11:30 PM
120 class powders - by Dt219 - 08-04-2022, 11:45 PM
120 class powders - by Dt219 - 08-05-2022, 12:13 AM
120 class powders - by Dt219 - 08-05-2022, 12:15 AM
120 class powders - by Klem - 08-05-2022, 01:22 AM
120 class powders - by Dt219 - 08-05-2022, 02:08 AM
120 class powders - by Klem - 08-05-2022, 04:38 AM
120 class powders - by StoneHendge - 08-05-2022, 06:14 AM
120 class powders - by Dt219 - 08-05-2022, 11:30 AM
120 class powders - by mdram - 08-05-2022, 11:53 AM
120 class powders - by VASCAR2 - 08-05-2022, 02:02 PM
120 class powders - by Klem - 08-05-2022, 02:16 PM
120 class powders - by Dt219 - 08-05-2022, 02:30 PM
120 class powders - by LRRPF52 - 08-05-2022, 03:30 PM
120 class powders - by mdram - 08-05-2022, 03:33 PM
120 class powders - by Dt219 - 08-05-2022, 10:15 PM
120 class powders - by LRRPF52 - 08-06-2022, 01:10 AM
120 class powders - by Klem - 08-06-2022, 11:09 AM
120 class powders - by Remington Jim - 08-07-2022, 01:22 AM
120 class powders - by Dt219 - 08-09-2022, 02:01 AM
120 class powders - by Dt219 - 08-09-2022, 11:20 PM
120 class powders - by StoneHendge - 08-09-2022, 11:47 PM
120 class powders - by Dt219 - 08-09-2022, 11:57 PM
120 class powders - by myrifle - 08-10-2022, 12:31 AM
120 class powders - by Klem - 08-10-2022, 12:51 AM
120 class powders - by Dt219 - 08-10-2022, 01:46 AM
120 class powders - by grendelnubi - 08-10-2022, 02:10 AM
120 class powders - by Dt219 - 08-10-2022, 02:14 AM
120 class powders - by Klem - 08-10-2022, 02:44 AM
120 class powders - by grendelnubi - 08-10-2022, 03:38 AM
120 class powders - by Klem - 08-10-2022, 05:20 AM
120 class powders - by grendelnubi - 08-10-2022, 11:42 AM
120 class powders - by Harpoon1 - 08-10-2022, 02:41 PM
120 class powders - by LRRPF52 - 08-10-2022, 04:58 PM
120 class powders - by StoneHendge - 08-10-2022, 05:06 PM
120 class powders - by Zeneffect - 08-10-2022, 05:24 PM
120 class powders - by Old Bob - 08-10-2022, 05:30 PM
120 class powders - by Zeneffect - 08-10-2022, 05:32 PM
120 class powders - by Harpoon1 - 08-10-2022, 05:48 PM
120 class powders - by StoneHendge - 08-10-2022, 05:56 PM
120 class powders - by Klem - 08-10-2022, 07:12 PM
120 class powders - by Harpoon1 - 08-10-2022, 07:43 PM
120 class powders - by Dt219 - 08-10-2022, 08:32 PM
120 class powders - by Zeneffect - 08-10-2022, 09:24 PM
120 class powders - by jasper2408 - 08-10-2022, 10:48 PM
120 class powders - by grendelnubi - 08-11-2022, 12:04 AM
120 class powders - by Dt219 - 08-11-2022, 12:41 AM
120 class powders - by LRRPF52 - 08-11-2022, 01:11 AM
120 class powders - by Klem - 08-11-2022, 01:35 AM
120 class powders - by Klem - 08-11-2022, 01:58 AM
120 class powders - by StoneHendge - 08-11-2022, 03:40 AM
120 class powders - by SCJim - 08-11-2022, 12:48 PM
120 class powders - by Dt219 - 08-11-2022, 01:22 PM
120 class powders - by teppou - 08-12-2022, 05:05 AM
120 class powders - by Dt219 - 08-12-2022, 10:59 AM
120 class powders - by LRRPF52 - 08-12-2022, 04:28 PM
120 class powders - by Zeneffect - 08-12-2022, 06:16 PM
120 class powders - by Klem - 08-12-2022, 10:43 PM
120 class powders - by StoneHendge - 08-12-2022, 11:26 PM
120 class powders - by Dt219 - 08-13-2022, 04:21 PM
120 class powders - by Zeneffect - 08-13-2022, 04:34 PM
120 class powders - by Dt219 - 08-13-2022, 05:09 PM
120 class powders - by SCJim - 08-13-2022, 05:15 PM
120 class powders - by LRRPF52 - 08-13-2022, 05:35 PM
120 class powders - by Zeneffect - 08-13-2022, 08:06 PM
120 class powders - by Dt219 - 08-13-2022, 08:34 PM
120 class powders - by Jimla - 08-14-2022, 09:36 PM
120 class powders - by Klem - 08-15-2022, 12:50 AM
120 class powders - by jasper2408 - 08-15-2022, 02:14 AM
120 class powders - by Klem - 08-15-2022, 03:15 AM
120 class powders - by Jimla - 08-15-2022, 07:10 AM
120 class powders - by grayfox - 08-15-2022, 11:30 AM
120 class powders - by Klem - 08-15-2022, 12:33 PM
120 class powders - by grayfox - 08-15-2022, 01:09 PM
120 class powders - by grayfox - 08-15-2022, 01:39 PM
120 class powders - by SCJim - 08-15-2022, 01:39 PM
120 class powders - by jasper2408 - 08-15-2022, 01:51 PM
120 class powders - by Harpoon1 - 08-15-2022, 03:52 PM
120 class powders - by outbreaker - 08-15-2022, 08:51 PM
120 class powders - by Remington Jim - 08-22-2022, 05:57 AM
120 class powders - by Dt219 - 08-22-2022, 09:52 AM
120 class powders - by outbreaker - 08-22-2022, 11:11 AM
120 class powders - by Dt219 - 08-25-2022, 12:08 AM
120 class powders - by EastTNHunter - 08-25-2022, 11:40 AM
120 class powders - by Lostintexas - 08-29-2022, 01:47 AM
120 class powders - by dexdog - 08-29-2022, 02:54 AM
120 class powders - by Dt219 - 08-29-2022, 03:24 PM
120 class powders - by Remington Jim - 08-30-2022, 12:19 AM
120 class powders - by outbreaker - 08-30-2022, 11:52 AM
120 class powders - by Harpoon1 - 08-30-2022, 05:53 PM
120 class powders - by Klem - 08-30-2022, 08:00 PM
120 class powders - by Harpoon1 - 08-31-2022, 05:49 AM
120 class powders - by Harpoon1 - 08-31-2022, 11:00 AM
120 class powders - by Zeneffect - 08-31-2022, 03:32 PM
120 class powders - by Harpoon1 - 08-31-2022, 04:02 PM
120 class powders - by Harpoon1 - 08-31-2022, 04:34 PM
120 class powders - by SCJim - 08-31-2022, 08:03 PM
120 class powders - by Klem - 09-01-2022, 04:05 AM
120 class powders - by Harpoon1 - 09-01-2022, 06:33 AM
120 class powders - by Klem - 09-01-2022, 06:57 AM
120 class powders - by Harpoon1 - 09-01-2022, 11:44 AM

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