Got the 223 small base dies in today and ran some brass through it. If I had checked the case length before loading, I think it would have solved the problem. Unfortunately, in my haste I ran the brass through the 223 SB die and then loaded up 8 rounds. 6 chambered and ejected fairly easily (but not as easily as I expected compared to my other ARs). the other 2 didn't chamber completely, but still came out easier that in the past. When I measured the cases that had been run through the 223 SB dies, but not loaded, they had all extended from 1.348" to 1.360-1.365". I should have checked that before loading up those 8.
OH well...
On a side note. Although I bought this upper second hand from a guy on the hide, it was built by Spook here on QB. From the first questions I sent him 'til now, he has been very helpful and consistently offered to fix the issues if I'd send the upper to him. It's not often that someone will stand by their product like that. It says a lot about his character both as a craftsman and a person. I hope you guys take that into account when you look for a new toy.
I'll check back in on this thread after I get the upper back from Spook and post some pics if you guys are interested...nothing special, just another ar.
Out here...Rum
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