Tula is generally the most inconsistant ammo. However, all ARs should be able to run it, at least more consistantly then you are. Give it 500-1000rds to break in and see if it makes any difference (hint, it should).
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Mine wouldn't shoot steel-cased Wolf reliably until it was broken in. After a range session, I usually chuck a 5.56 chamber brush in my drill and thoroughly scrub the chamber with a bore cleaner, clean the bore, and follow with dry patches. I never have a problem any more.Thanks for the info mist wolf. All the problems went away when I bought 55, 62 grains 556 and 223 in Winchester and Remington. I am up to 200 rds through it with no more problems. Once I get to 400 I am going to try a box of wolf just to see if it will then run steel
Brass cases are easier to extract, so they are easier on your extractor spring. Extractor springs don't fail all at once. They fail a little bit over time and once they start failing, they don't get better. It's just a matter of time before your problem comes back, even if you break in your AR and whether you stay with brass case ammo or try steel case ammo again.Thanks for the info mist wolf. All the problems went away when I bought 55, 62 grains 556 and 223 in Winchester and Remington. I am up to 200 rds through it with no more problems. Once I get to 400 I am going to try a box of wolf just to see if it will then run steel