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AR15.COM
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10/15/2004 3:01:45 AM EDT
Is either the tube style return spring assembly or the wire style return tube assembly considered superior to the other? If so, why.  Thanks in advance for your opinion.
10/15/2004 6:03:27 AM EDT
[#1]
i don't think there is a structural/mechanical advantage to either.

the rpk assembly is 'supposed' to have a higher spring rate. i tried one and i'll be danged if i can tell any difference in the semi mode.
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