Home / Accessory-Uppers / Daniel Defense MK12 SPR URG 5.56 18″ 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 Sale! Bushmaster BRAVO ZULU 350LEG 16″ UPPER $64495 $61737 Sale! Bushmaster M4 PATROLMAN 16″ UPPER REC. $63395 $60674 Sale! Gemtech GVAC UPPER GROUP 5.56MM 16.1″ $83900 $79763 Sale! Warrior Systems WSM15 BILLET UPPER BLACK $19900 $13220