when it comes to ARs, anything out there is high quality. EVERY manufacturer has had its issues. colt, bcm, noveske, rra, cmmg, psa, dti, spikes, stag, bushmaster, S&W, ruger, magpul/bushmaster, fn, barrett, LARue, etc. etc. etc.
ALL of them have had issues.
The best ones out there are the ones who will do whatever it takes to make it right. That is what makes the best company in my mind. If they make crappy products, the brand won't last. All the ones above will last. What matters is the service you get if you buy one of their products and have an issue with it.

With that in mind, del-ton has always treated me very well.

LaRue is hands down, without a doubt THE BEST when it comes to customer satisfaction and taking care of any issue. If you want quality and something you can count on, spend the money and buy LaRue.