Sig Sauer Collapsible Stock. NIB. MPX. MCX. 1913. Listing ID: 3029869

$195.00... NO SALES TAX... NO SALES TAX... Fits MPX, MCX and most Copperhead models... May also fit other firearms with 1913 interface... New in the box... Spring 77388... 713 249-5807... NOT SB MODEL... Original Sig Sauer Part...