I have no experience with bear creek. I do have experience with the hornady factory ammo. My rifle, and all my friends that shoot Grendel’s, have had good luck with that ammo. Bolt actions and AR’s all shoot it good to great. Since your first group was ok and the rest started getting worse, I would suspect a problem with the scope or scope mount. That would be the first place I would check.
JTD
Yea I suspect the scope or mounts, all factory hornaday I have ever shot was good. Once it cools down a bit I will get out and shoot some moreOriginally Posted by JeffreyDeGraff
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Amen on the cooling down. I haven’t been able to shoot much the last couple months. I melt when I go outside, and barrels won’t cool off.
JTD
I've had a number of Grendels--one of my favorite AR-platform calibers. I've had so-so accuracy with the SSTs and have found that the ELD-M, Nosler Ballistic Tip and Sierra offerings in the 100 to 120 grain range have worked best for me. 8208XBR is my go-to powder but I've had good success wtih AR-Comp as well. My 24" barreled Radical Firearms upper is a tack driver, but my brother returned a couple of BCA barrels because they shot horribly before finally getting one that was reasonable. Definitely rule out the scope/mount before you start chasing accuracy or you'll just be wasting your time. I've had good success with the Burris PEPR mounts on my scope-equipped ARs.
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