Description
Daniel Defense MK18 URG Block II Complete Upper Receiver 5.56 10.3"
The Daniel Defense MK18 URG Complete Upper available at Defense Distributors is a battle proven AR-15 upper receiver group built around a 10.3 inch Cold Hammer Forged barrel. It pairs a robust rail interface system with a rock solid direct impingement gas system and premium bolt carrier group to deliver reliable performance in close quarter and tactical environments. Offered in both black and Flat Dark Earth finishes, this upper is ready to mount and shoot when matched with the appropriate lower.
What It Does
This complete upper receiver group gives your rifle a compact configuration ideal for maneuverability without sacrificing reliability. The 10.3 inch channel cut barrel promotes quick handling while still generating sufficient velocity for a wide range of 5.56 NATO ammunition. A rugged quad rail handguard provides continuous mounting space for optics, lights, and accessories. Each upper includes a precision matched bolt carrier group and charging handle to ensure consistent cycling and dependable function shot after shot.
Features
- Cold Hammer Forged barrel that resists wear and supports consistent accuracy.
- 10.3 inch barrel length tuned for compact operation.
- Quad rail interface system for accessory mounting.
- Premium M16 profile bolt carrier group for reliable operation.
- Ambidextrous charging handle for easy manipulation from either side.
- Pinned low profile gas block and carbine length gas system.
- Available in both black and Flat Dark Earth finishes to match your build.
Specs
- Chambered in 5.56 NATO for versatile ammunition compatibility.
- Cold Hammer Forged barrel with a 1:7 twist rate.
- 10.3 inch government profile barrel.
- Mil-Spec indexed upper receiver with M4 feed ramps.
- Quad rail handguard for continuous Picatinny accessory space.
FAQ
Will this upper fit my AR-15 lower?
Yes. It mates with standard AR-15 lowers and uses standard barrel extension and pin locations.
Is a lower receiver required?
Yes. This is a complete upper receiver group and must be paired with a compatible lower to form a functioning rifle or pistol.
What caliber does this use?
It is chambered in 5.56 NATO for wide ammo availability.
Does it include a bolt carrier group?
Yes. It comes complete with a premium bolt carrier group and charging handle.
Can I mount optics or accessories?
The quad rail handguard provides generous mounting space for sights, lasers, lights, and other accessories.
Is this suitable for tactical or defensive builds?
Yes. Its compact length and premium components make it a solid choice for CQB, duty, and defensive builds.
