Home / Accessory-Stocks / Heckler and Koch (HK USA) FIXED STOCK SP5 BLACK View cart “Wilson Combat SUPERSTOC CARB BUTTSTOCK BLK” has been added to your cart. Sale! Heckler and Koch (HK USA) FIXED STOCK SP5 BLACK$18399 Original price was: $18399.$16957Current price is: $16957. Out of stock SKU: 205586 Category: Accessory-Stocks Product ID: 27500 Description Description All NFA Rules Apply Related products Sale! Kriss USA KRISS G3 FOLDING STOCK BLACK $12999 Original price was: $12999.$11448Current price is: $11448. Sale! SIG SAUER MPX STOCK ADAPTER ASSEMBLY $12999 Original price was: $12999.$12618Current price is: $12618. 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.