.223 Remington - AAC 55gr and 77gr ammo tests with three different uppers; 16" and 20" barrels

[@upnorthreloading2214]

Ha!
Two degrees, but, evidently, I can't spell "Accuracy" right in the thumbnail!

[@X-ForceBro]

I've had pretty similar experiences with this ammo
77 precision ACC seems to shoot the best for me with a ballistic advantage barrel