Anyone have a known good 18” or 20” AR barrel that likes 90gr Federal or 88 ELD M Hornady factory ammo?
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I have a 24" Rainier barrel which I believe is a Schilen barrel. I got it very early in the Valkyrie hysteria. The twist rate is 7.5 and it will not stabilize any bullet greater than an 85.5 grain. That being said, it does shoot anything less very well. When I eventually replace the barrel I will get a 6.5 twist so I can shoot the heavy's.