Quote Originally Posted by Grumpy MSG View Post

Now instead of telling all the Delton, CMMG, DPMS, Bushmaster guys their rifle sucks, we should be helping them to improve the reliability of their rifle. After all, selling a rifle because the bolt carrier or castle nut wasn't staked seems pretty extreme. If the bolt holds up to 500 rounds, chances are it wasn't cracked and magnetic particle inspection wouldn't have found anything anyway. The odds of all the lugs cracking off at one time is incredibly low, almost non-existant, so there is another not so major issue. Is the chamber too tight would be an important one, but again not necessarily cause to sell the rifle.
I'm with the "Grumpy MSG" on this one. So you don't like the bolt and carrier on a particular AR rifle, just how long does it take to replace a bolt and carrier? This could go on and on. Constructive criticism, not just criticism, is more beneficial...I'm thinking. Just me.