Maybe not a Grendel, but worth a look
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25 years ago, if you could keep them under 10", you were doing great.
I think the 1k record at the time was with .50 BMG at around 5".
Then people started doing really well with 6.5-284 with the 142gr SMK.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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