Five (5) bad barrels are (4) to many !

This is a negative review on these Radical Arms barreled uppers, but the truth is that unless you are prepared to work very hard diagnosing the multiple problems encountered with them you should stay away! You will have to be a skilled technician as well I will add. .... Severely undergassed, 1/16th. gas ports, forearm screws stripped out, and anodizing very spotty and grey, gas block misaligned, with no indexing to mark center of barrel to block, flash suppressor at least 35 degrees out of time, etc. ! To be fair PA has tried to resolve the problems, but after (5) different barrels from Radical, and all of them with these same problems, it's time to call it like it is? "These uppers are more trouble than they are worth", by far ! RA will refer you to Radical Firearms, where you will wait patiently only to get another "DUD", and there will be no explanation weeks later as to what if anything has been found out ! "Caveat Emptor" for sure !

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<br>From PA: We're very sorry that you had such a difficult time with this barrel, and as mentioned previously, we'd be happy to accept a return on your defective barrel.