The Daniel Defense MK12 is a rifle designed for those who expect the highest level of precision out of their AR15. The MK12 rifle is built on a rifle-length direct impingement gas system and 18" barrel with a heavier profile for increased accuracy during sustained fire. The rifle features a 12" free floated Daniel Defense quad-rail handguard for easy attachment of forend devices like lasers, flashlight, bipods, and vertical/angled grips. The MK12 is equipped with a GRIP-N-RIP charging handle and Geissele SSA 2-Stage trigger. Features of the Daniel Defense MK12 RifleFree-Floated Cold Hammer Forged Barrel for long term durability and superior accuracyUninterrupted Top Rail for mounting optics of almost all sizesQuad-Rail Handguard for fast and easy mounting of forend devicesAmbidextrous Safety Selector Switch for left and right handed shootersQuick Detach Sling Attachment Points for multiple carry configurations Daniel Defense MK12 SPR 5.56mm NATO 18" 1:7" Bbl CA Compliant Rifle 02-142-13175-055