AR barrel throat depth

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AR barrel throat depth

Crusty Offline

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Posts: 237
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Joined: Dec 2017

#15

01-22-2018, 06:40 PM

That's what I did until I bought one of those caliper jaw attachments. Then I took a tray that I had loaded to the same COL and measured each at the ogive and I was surprised at the variance. Now I don't bother to measure the COL if they'll fit in the mag, but each one gets an ogive measurement as soon as it comes off of the press.

My loads are more consistent and I'm coming to believe that the volume of dead air space inside a loaded case makes a difference for consistent groups and so seating the bullets to the same depth in similar volume cases makes the dead air space consistent since I've got powder charges under control. My last step will be to measure and group my cases by internal volume.

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Messages In This Thread

AR barrel throat depth - by beastep - 01-21-2018, 10:51 PM

AR barrel throat depth - by maxxmojo - 01-21-2018, 11:21 PM

AR barrel throat depth - by Drillboss - 01-22-2018, 12:34 AM

AR barrel throat depth - by beastep - 01-22-2018, 01:02 AM

AR barrel throat depth - by Drillboss - 01-22-2018, 01:23 AM

AR barrel throat depth - by Drillboss - 01-22-2018, 02:16 AM

AR barrel throat depth - by Djgrendel - 01-22-2018, 05:03 AM

AR barrel throat depth - by rabiddawg - 01-22-2018, 12:32 PM

AR barrel throat depth - by beastep - 01-22-2018, 03:18 PM

AR barrel throat depth - by beastep - 01-22-2018, 03:20 PM

AR barrel throat depth - by Crusty - 01-22-2018, 04:50 PM

AR barrel throat depth - by Redraider - 01-22-2018, 05:09 PM

AR barrel throat depth - by Crusty - 01-22-2018, 05:14 PM

AR barrel throat depth - by beastep - 01-22-2018, 06:05 PM

AR barrel throat depth - by Crusty - 01-22-2018, 06:40 PM

AR barrel throat depth - by beastep - 01-23-2018, 12:02 AM

AR barrel throat depth - by zcostilla - 01-23-2018, 12:36 AM

AR barrel throat depth - by bj139 - 01-23-2018, 02:10 AM

AR barrel throat depth - by Crusty - 01-23-2018, 02:58 AM

AR barrel throat depth - by Redomen - 01-23-2018, 03:37 AM

AR barrel throat depth - by NugginFutz - 01-23-2018, 04:00 AM

AR barrel throat depth - by Drillboss - 01-23-2018, 04:18 AM

AR barrel throat depth - by zcostilla - 01-23-2018, 08:43 AM

AR barrel throat depth - by grayfox - 01-23-2018, 01:19 PM

AR barrel throat depth - by just_john - 01-23-2018, 01:41 PM

AR barrel throat depth - by NugginFutz - 01-23-2018, 04:45 PM

AR barrel throat depth - by beastep - 01-23-2018, 09:27 PM

AR barrel throat depth - by beastep - 01-23-2018, 09:28 PM

AR barrel throat depth - by beastep - 01-23-2018, 09:29 PM

AR barrel throat depth - by LR1955 - 01-23-2018, 10:13 PM

AR barrel throat depth - by Mytie - 01-24-2018, 11:34 PM

AR barrel throat depth - by beastep - 01-25-2018, 07:55 PM

AR barrel throat depth - by grayfox - 01-27-2018, 07:39 PM

AR barrel throat depth - by Redomen - 01-27-2018, 11:12 PM

AR barrel throat depth - by beastep - 01-28-2018, 12:49 AM

AR barrel throat depth - by LRRPF52 - 01-31-2018, 03:49 AM

AR barrel throat depth - by Redomen - 01-31-2018, 04:16 AM

AR barrel throat depth - by Steve390Gold - 01-31-2018, 04:26 AM

AR barrel throat depth - by Steve390Gold - 01-31-2018, 04:32 AM

AR barrel throat depth - by Steve390Gold - 01-31-2018, 04:34 AM

AR barrel throat depth - by LRRPF52 - 01-31-2018, 04:42 AM

AR barrel throat depth - by LRRPF52 - 01-31-2018, 04:44 AM

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