Ya....but not enough to be really concerned. I have less in my LWRC piston guns (5.56 and 6.8) but I want the anti-tilt buffers JIC.
After taking a tour of the POF factory the other day with Frank....I'm convinced the wear I'm getting is not really an issue of concern. There is no sign on any of my piston guns of the wear on the inside of the upper receiver........if that were the case, I'd be worried. I look at your buffer as possible extra insurance.
The carrier key on the POF (and from what I can tell, the new LMT piston) is moved farther back to help alleviate tilt and I think that's probably enough to take care of the issue overall.
Sean
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