The Daniel Defense MK18 features the railed forend Daniel Defense currently provides to USSOCOM, and a 10.3” Cold Hammer Forged Barrel. The MK18 rail system features the patented bolt-up attachment system and has been rigorously tested prior to fielding by USSOCOM. The MK18 SBR by Daniel Defense is unmatched in size, weight, and performance.
Materials & Construction
- LOWER RECEIVER: Mil-Spec with Enhanced Flared Magazine Well and Rear Receiver QD Swivel Attachment Point
- UPPER RECEIVER: Mil-Spec with Indexing Marks and M4 Feed Ramps
- BARREL: Chrome Moly Vanadium Steel, Cold Hammer Forged, 1:7 Twist, 10.3″ Government Profile, Carbine Gas System, Chrome Lined, MP Tested, and Mil-Spec Heavy Phosphate Coated
- CHAMBER: 5.56 NATO
- GAS BLOCK: Daniel Defense MK12
- FLASH HIDER: Daniel Defense Flash Suppressor (1.875″)
- BOLT CARRIER GROUP: Mil-Spec MP Tested, Properly Staked Gas Key
- BUFFER: H Buffer








