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OEM Full Strength M4 GBB Buffer/Recoil Spring

1 Customer Review

by Philip M. on 05/19/2015
"My bolt carrier (stock zinc aluminum BC) was slow to return to battery in my G&P Wok/Woc so I decided to pick this up.

With the stock WoC aluminum buffer this made a noticeable difference. My BC returns a lot faster with no obvious bolt bounce. BC locked back when the mag was empty no problem either.