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Discover compact power with the Daniel Defense MK18 RIII Upper Receiver Group, engineered for unmatched size, weight, and performance. Built around a 10.3-inch Cold Hammer Forged M4 Profile barrel with a 1:7 twist rate, this upper features a chrome-lined, Mil-Spec heavy phosphate-coated finish for superior durability. The Daniel Defense Flash Suppressor enhances control, while the carbine-length gas system ensures reliable operation in tight spaces. Equipped with a 9.5-inch RIS III M-LOK handguard, inspired by the SOCOM-approved RIS II, it offers lightweight versatility and robust accessory mounting. The GRIP-N-RIP Charging Handle, CNC machined from 7075-T6 aluminum, delivers smooth handling, and the Mil-Spec M16 bolt carrier group guarantees consistent performance. Crafted in the USA with a 7075-T6 aluminum upper receiver and 6061-T6 aluminum handguard, this 3.5-lb upper is ideal for tactical applications. Note: This upper, when assembled into a complete firearm, is subject to National Firearms Act (NFA) regulations. Ensure compliance with local and state laws.
Upgrade your AR-15 with the MK18 RIII’s precision and reliability—purchase now at Battlehawk Armory!
Specifications:
- Mounting System: M-Lok
- Caliber: 5.56mm NATO
- Material: Chrome Moly Vanadium
- Manufacturing Process: Cold-Hammer Forged
- Twist Rate: 1:7"
- Gas System: Carbine
- Barrel Length: 10.3"
- Barrel Profile: Goverment
- Product Weight: 3.5 lbs
- Manufacturer: Daniel Defense
| Manufacturer | Daniel Defense |
| Model | MK18 RIII URG |
| UPC | 818773023351 |
| SKU | 23-004-81721-006 |
| Width | 6.0000 |
| Length | 36.0000 |
| Height | 6.0000 |
| Weight | 4.5000 |



FFL Required