XCR/AR Compatibility

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Nolo

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Jul 18, 2007
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Does anyone know what the compatibility between the XCR and the AR is? For instance, can you attach an AR upper to an XCR lower or vice-versa? I'm guessing no, but it'd be really neat if you could.
 
Nevermind, the XCR has a completely different cut on the upper/lower meet than the AR.
I can't believe I didn't look for something that simple the first time.
Blah.
Mods, please close.
 
Actually, while we're at it, a question has popped up into my mind:


Does the XCR's bolt have more rearward overtravel than the AR's?
 
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