UTG Pro RBU6BM Mil-Spec Stock Assembly Black Synthetic 6 Position for AR-15/M16

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Leapers, Inc. - UTG Model 4, Combat Ops S2, Stock Kit, 6-Position Mil-Spec Stock Assembly, includes Extension Tube, Buffer, Buffer Spring, Tear-drop Ring and Castle Nut, Black Finish RBUS2BM

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