Quote:
Originally Posted by andrew321
Mine was split right in half at the top of the "O" on the lower receiver that goes over the buffer tube. Cause no issues for me... but I epoxied and clamped, just to keep it together.
That was my case. Is he gassing it up properly? I don't want to sounds like I know more then I do, but mine had the same "issue" when i got it, and I was just not gassing up properly...
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I'm with andrew on that one,and he might want to make sure the piston cup is lubed,silicone grease is what they recommend on Arnie's.
Plus the gun is new and tight, and it will take a couple of mags just to get everything seated right. At least my two were like that.