My old XCR is clean but my new XCR with the new Gas system has the
same shell ejection marks as your photo's. I also am getting a ton of brass kissing in the area
below that.
Looks more like wear from your bolt carrier sliding back and forth over the guide rails. If so, it is normal. My XCR and others I have seen have this wear.
bkeeper: that is indeed what it is. I found that there were a couple small 'divot' marks on the corresponding surface on the bolt carrier which seem to be causing the marking on the guide-rail.
I own 2 XCR's and I'm going to say this again.. The Older gun is made better Fit and Finish.
My New XCR has the new gas system and I guess the new Bolt and Firing Pin.
I cleaned both of them today and the New gun has deep gauges just like QYV's and it's from the bolt
scraping along the inside of the Receiver rails.
It's wore down to bare metal and I have 400 rounds thru this gun. I noticed when I first got it it sounded terrible when I pulled back on the bolt and released it.
I guess I know where the screatching was coming from now... I'm pissed to be honest.
Does RA test fire all guns before delivery? Or just a few from each run?
If it sounded that bad just to pull back the bolt it should have never left the factory.
It's hard, it's a man made machine and man is not perfect.
I'm sure they will make it right. In the short time I've been coming
to the site I've been very impressed with support given by RA.
Sounds about Par...I have not dealt with many other companies with the customer service that Robarm has. I didn't have the oppurtunity to deal with them prior to the XCR period but I know that they have been this way since early 2005 when I first spoke to Alex about the XCR.
Great!
Again I am impressed buy Robinson Arms support.
They are a honorable American company and that is rare today.
I need 2 XCR's before Billary gets elected.
No it's not brass, it's the bolt carrier scraping on the lower bolt carrier rail. I have very similar marks on the lower rail on the charging handle side as well.
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