Bellhop Posted February 9, 2023 Report Share Posted February 9, 2023 (edited) These are the coiled springs pins that retain the barrel on Powder Springs and early RPB M-10 Trunnions. These are for early MAC's only. Post 1979 MAC's do not use these. Original -$20 New - $5 Edited July 10, 2023 by Bellhop Quote Link to comment Share on other sites More sharing options...
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