Daniel Defense MK18 10.3″ Upper Receiver Group 5.56 NATO Black – 23-004-08013-006

The Daniel Defense MK18 10.3″ Upper Receiver is unmatched in size, weight, and performance. Featuring the picatinny quad rail Daniel Defense provides to USSOCOM. The 10.3 inch Cold Hammer Forged barrel is the same length in use for the MK18 upper most commonly used for CQB operations. Its independently ambi GRIP-N-RIP Charging Handle accommodates left- and right-handed shooters. All Daniel Defense MK18 upper receiver groups come standard with an M16 profile bolt carrier group. NFA DISCLAIMER: Please check with your local and state municipalities for any further regulatory requirements. It is the buyer’s responsibility to make sure they comply with all NFA rules and applicable laws. MATERIALS & CONSTRUCTION: UPPER RECEIVER: Mil-Spec with Indexing Marks and M4 Feed Ramps. CNC Machined of 7075-T6 Aluminum. BARREL: Chrome Moly Vanadium Steel, Cold Hammer Forged, 1:7 Twist, 10.3″ Government Profile, Chrome Lined. GAS SYSTEM: Pinned Low Profile Gas Block CNC Machined of 4140 hardened steel. MUZZLE DEVICE: Daniel Defense Flash Suppressor, 17-4 PH Stainless Steel, Salt Bath Nitride Finished BOLT CARRIER GROUP: M16 Profile, Mil-Spec MP Tested, Chrome Lined, Properly Staked Gas Key SIGHTS: Sold Separately HANDGUARD: Daniel Defense RIS II MK18, CNC Machined of 6061-T6 Aluminum. CHARGING HANDLE: GRIP-N-RIP Charging Handle, Body CNC Machined of 7076-T6 Aluminum, Handles & Latch CNC Machined of 6061-T6 Aluminum. RAIL PANELS: Daniel Defense Rail Panels Made from Santoprene, Heat Resistant to 300° F. Made in the USA!