123 gr Sierra Match King using Benchmark and TAC
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I like your video. I would blame the POI shift on parallax. I saw you posted that you made sure to check it, but it is the only thing I can imagine that would do that, however I suppose that changing powder loads could alter harmonics. Maybe one of the guys with more experience could chime in.
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Just a personal preference, and my 2 cents .... but I loathe TAC. Everytime I load with it I end up cleaning up my bench after only 100 rds. That stuff is almost as made as WC844 (Surplus) when it comes to 'migrating' to areas where you don't want it. Also, I try and use stick powders or Hodgdon H100V whenever possible.
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Great video. I really enjoyed it. It looks like all but 2 of the groups were sub-MOA, and they were all 5rd groups.
Get some CFE or LVR in that bad boy and see what she does for speed and accuracy, with a solid rear bag position.
I also blend and polish my feed ramps any time I do an AR15 build, unless they miraculously match up and the ramps are already de-edged/tumble-polished from the manufacturer.NRA Basic, Pistol, Rifle, Shotgun, RSO
CCW, CQM, DM, Long Range Rifle Instructor
6.5 Grendel Reloading Handbooks & chamber brushes can be found here:
www.AR15buildbox.com
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Originally posted by kymountainman View PostJust a personal preference, and my 2 cents .... but I loathe TAC. Everytime I load with it I end up cleaning up my bench after only 100 rds. That stuff is almost as made as WC844 (Surplus) when it comes to 'migrating' to areas where you don't want it. Also, I try and use stick powders or Hodgdon H100V whenever possible.
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Originally posted by dega37 View PostI feel lied to...NRA Basic, Pistol, Rifle, Shotgun, RSO
CCW, CQM, DM, Long Range Rifle Instructor
6.5 Grendel Reloading Handbooks & chamber brushes can be found here:
www.AR15buildbox.com
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