These are uselessly taking up room in my parts bin since I'll never use them. Both are used but in good shape, and both come with a carbine receiver extension and castle nut. One is a B5 SOPMOD in FDE and the other your average run of the mill M4 stock.
M4, tube, nut is $25 $20 OBO
Prices include shipping CONUS. You pay PP
M4, tube, nut is
Prices include shipping CONUS. You pay PP
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