308 Buffer spring in 50 Beowulf?

badguybuster

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I have a technical question for your AR guys. I was having some issues with weak buffer springs in my 50 beowulf. Is there any reason that installing a 308 buffer spring would cause a problem? The rifle is designed to be built on a 5.56 platform (which I did) but I've tried two different 5.56 buffer springs and they seem to not be working properly.
 
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