Trade 300 blk out seekins 8.5 barrel upper for 556 10.5 upper
Have a new unfired complete 300 blkout seekins factory upper. 8.5 barrel keymod rail.
Trade for 10.5 556 upper in similar quality .
With or without bcg..
Trei
720 936 0791
Trade 300 blk out seekins 8.5 barrel upper for 556 10.5 uppe
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trei75bronco
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