Very disappointed with this barrel - TRYBE Defense 18 in Medium Profile AR-15 Rifle Barrel, .223 Wylde

I shouldn’t have purchased this barrel. I usually stick with Ballistic Advantage or FN barrels. It looks nice and is finished well but I can’t get a sub MOA group with anything. Two different Sierra match bullets will come close but regular 55 grn 5.56 or .223 ammo is 3 MOA at best. Also groups open up and shift all over the place when it heats up. Lesson learned, I’ll pull it and replace it with a better barrel eventually.