Home / Accessory-Uppers / Daniel Defense MK12 SPR URG 5.56 18″ View cart “Warrior Systems WSM15 BILLET UPPER BLACK” has been added to your cart. Sale! Daniel Defense MK12 SPR URG 5.56 18″$1,63300 $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 Wilson Combat RECEIVER UPPER AR15 ANODIZED $8495 Sale! Daniel Defense M4A1 RIII URG 5.56MM 14.5″ FDE $1,49900 $1,39618 Sale! Warrior Systems WSM15 BILLET UPPER BLACK $19900 $13220 Sale! POF USA RENEGADE+ UPPER 5.56 10.5″ BLK $1,26300 $1,11568