Home / Accessory-Uppers / Daniel Defense MK12 SPR URG 5.56 18″ You cannot add "Gemtech GVAC UPPER GROUP 5.56MM 16.1"" to the cart because the product is out of stock. Sale! Daniel Defense MK12 SPR URG 5.56 18″$1,63300 Original price was: $1,63300.$1,52055Current price is: $1,52055. Out of stock SKU: 23-142-10035 Category: Accessory-Uppers Product ID: 93670 Description Description DDM4 12.0 RailRifle Length Gas SystemGRIP-N-RIP Charging Handle Related products Sale! Daniel Defense DD4 RIII URG 5.56MM 16″ BLK $1,49900 Original price was: $1,49900.$1,39618Current price is: $1,39618. Sale! Warrior Systems WSM15 BILLET UPPER BLACK $19900 Original price was: $19900.$13220Current price is: $13220. Sale! Bushmaster BRAVO ZULU 350LEG 16″ UPPER $64495 Original price was: $64495.$61737Current price is: $61737. Sale! POF USA P-415 EDGE UPPER 5.56 16.5″ BK $1,43900 Original price was: $1,43900.$1,24801Current price is: $1,24801.