The Daniel Defense MK18 Upper Receiver is a complete upper receiver system ideal for placement on AR pistol lower receivers or AR rifle lower receivers (NFA Short Barreled Rifle Regulations Apply). The upper is built around a carbine-length direct impingement gas system and a 10.3" barrel chambered for 5.56 NATO. The MK18 Upper features Daniel Defenses RIS II Rail System with Santoprene heat resistant rail panels.
Key Features:
- SKU-specific configuration listed as: MK18 UPPER
- Gas System: Low Profile 4140 Steel Gas Block, Carbine-Length, Direct Impingement
- Barrel: 10.3" Cold Hammer Forged Chrome Moly Vanadium Steel with 1:7" Twist
- Muzzle Device: 17-4 PH Steel Daniel Defense Flash Suppressor with Salt Bath Nitride Finish
- Bolt Carrier Group: MIL-SPEC M16 Profile Chrome Lined
- Handguard: 6061-T6 Aluminum Daniel Defense RIS II Rail System with Rail Panels
- Best suited for rifle upgrades and builds where fitment with the host firearm is confirmed
SPECIFICATIONS
Barcode / UPC :
815604014045
SUN: BY APPT.
MON-TUES: 12PM - 6PM
WED-FRI: 10AM - 6PM
SAT: 10AM - 3PM