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18 VS 22 Barrel Advice
#5
If you're at 4600ft elevation, the 18" is more than plenty in my experience.

123gr SST isn't a .510 BC as stated, but was found to be more like .462 G1 region.

If you want to shoot more TGT shooting with it using a bullet that also doubles as a hunting bullet, you can also try the Sierra TMKs and TGKs, Berger hunting VLDs, or Hornady 123gr ELD-Ms.
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6.5 Grendel Reloading Handbooks & chamber brushes can be found here:

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Messages In This Thread
18 VS 22 Barrel Advice - by TwoStrokeTyrant - 01-07-2020, 02:28 AM
18 VS 22 Barrel Advice - by VASCAR2 - 01-07-2020, 03:12 AM
18 VS 22 Barrel Advice - by FLshooter - 01-07-2020, 01:00 PM
18 VS 22 Barrel Advice - by Wethepeople - 02-06-2020, 05:52 PM
18 VS 22 Barrel Advice - by LRRPF52 - 02-09-2020, 03:52 AM
18 VS 22 Barrel Advice - by nuthead - 02-11-2020, 11:54 AM
18 VS 22 Barrel Advice - by Harpoon1 - 02-11-2020, 09:27 PM
18 VS 22 Barrel Advice - by Wethepeople - 02-23-2020, 10:21 PM
18 VS 22 Barrel Advice - by CJW - 02-24-2020, 12:54 AM
18 VS 22 Barrel Advice - by LRRPF52 - 02-24-2020, 04:39 PM
18 VS 22 Barrel Advice - by Wethepeople - 02-26-2020, 01:09 AM

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