Home / Accessory-Stocks / SIG SAUER MCX STOCK ADAPTER KIT You cannot add "B&T TELESCOPIC STOCK APC9/APC45" to the cart because the product is out of stock. Sale! SIG SAUER MCX STOCK ADAPTER KIT$17999 Original price was: $17999.$17017Current price is: $17017. Out of stock SKU: 2401191-R Category: Accessory-Stocks Product ID: 29526 Description Description Related products Sale! SIG SAUER MCX/MPX FOLD/TELE STOCK BLACK $24999 Original price was: $24999.$23223Current price is: $23223. Sale! Heckler and Koch (HK USA) FOLDING STOCK SP5K BLACK $43899 Original price was: $43899.$38167Current price is: $38167. Sale! B&T TELESCOPIC STOCK APC556/300 $71500 Original price was: $71500.$66848Current price is: $66848. Sale! Kriss USA KRISS G3 FOLDING STOCK BLACK $12999 Original price was: $12999.$11448Current price is: $11448.