Daniel Defense MK18 URG 5.56 1/7 GOV LPG RIS II Rail DDFS Complete Upper Receiver w/ Flash Hider Flat Dark Earth 10.3in 1
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Daniel Defense
Overview
The Daniel Defense MK18 URG is a complete upper receiver designed for the AR-15 platform, featuring a 10.3-inch barrel optimized for 5.56 NATO ammunition. Its 1:7 twist rate aids in stabilizing a range of bullet weights, while the pistol-length gas system ensures reliable cycling and reduced recoil in compact builds. This upper is particularly suited for builds that prioritize maneuverability and quick handling, commonly seen in short-barreled rifles and personal defense weapons.
Specifications
Daniel Defense MK18 URG 5.56 1/7 GOV LPG RIS II Rail DDFS Complete Upper Receiver w/ Flash Hider Flat Dark Earth 10.3in 1
Frequently Built With
Based on build data
BLEM PSA AR15 Complete Classic Stealth Lower, Black
Lower Receiver
Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C
Charging Handle
Aero Precision M4e1 Complete Lower Receiver W/moe Sl Grip & Sl-S Carbine Stock
Lower Receiver
Magpul AFG-2 Angled Fore Grip - Black
Foregrip
Radian Raptor Charging Handle & Talon Safety Selector Combo - Od Green
Charging Handle
Aero Precision Stripped M4e1 Ar-15 Lower Receiver - Special Edition - Freedom
Lower ReceiverBuild Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
| Product | Category | Times Built Together |
|---|---|---|
| BLEM PSA AR15 Complete Classic Stealth Lower, Black | Lower Receiver | 360 |
| Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C | Charging Handle | 259 |
| Aero Precision M4e1 Complete Lower Receiver W/moe Sl Grip & Sl-S Carbine Stock | Lower Receiver | 230 |
| Magpul AFG-2 Angled Fore Grip - Black | Foregrip | 166 |
| Radian Raptor Charging Handle & Talon Safety Selector Combo - Od Green | Charging Handle | 160 |
| Aero Precision Stripped M4e1 Ar-15 Lower Receiver - Special Edition - Freedom | Lower Receiver | 142 |
| Platform | Percentage |
|---|---|
| AR-15 | 100% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 100% |
| Gas System | Percentage |
|---|---|
| Pistol | 100% |
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