03-20-2014, 09:11 PM
I have read that the roller bearing prevents ware on the inside of the upper receiver camming channel but I think this would only be necessary with a gas piston set up.
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little gunsmith info
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little gunsmith info - by haustinv - 03-20-2014, 06:10 AM
little gunsmith info - by terrywick4 - 03-20-2014, 07:33 AM
little gunsmith info - by LRRPF52 - 03-20-2014, 07:35 PM
little gunsmith info - by cory - 03-20-2014, 08:50 PM
little gunsmith info - by montana - 03-20-2014, 09:11 PM
little gunsmith info - by haustinv - 03-21-2014, 03:34 AM
little gunsmith info - by cory - 03-21-2014, 03:57 AM
little gunsmith info - by Tedward - 03-21-2014, 12:56 PM
little gunsmith info - by LRRPF52 - 03-21-2014, 03:59 PM
little gunsmith info - by Kohoki - 03-21-2014, 09:00 PM
little gunsmith info - by LRRPF52 - 03-21-2014, 11:24 PM
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