AR-15 – Daniel Defense MK18 RIS II Rail – 9.55 Inch
PLEASE DOUBLE CHECK DETAILS AND FITMENT BEFORE PURCHASE.
The MK18 RIS II is the compact quad-rail version of Daniel Defense’s SOCOM-proven free-float rail system, built for hard-use carbine-length setups.
Available Options
- Black
- Flat Dark Earth
Fitment
- Designed for AR-15-pattern uppers and MK18-style short-barrel configurations.
- Uses a carbine-length gas system and the Daniel Defense RIS II bolt-up mounting system.
What It Does
- Four full-length Picatinny rail surfaces.
- Free-float design isolates the barrel from normal sling and accessory pressure.
- Removable lower rail section supports service and compatible launcher attachment.
Specs
- Rail length: 9.55 inches
- Inside diameter: 1.15 inches
- Approximate weight: 14.1 oz
- Barrel nut: Steel
- Finish options: Black or Flat Dark Earth
What’s Included
- MK18 RIS II rail assembly
- Barrel nut and mounting hardware
- Rail covers when supplied by Daniel Defense packaging
Verify Before You Buy
- Confirm gas-block, barrel, muzzle-device, and suppressor clearance before purchase.
- NFA rules may apply to the firearm configuration built around this rail; buyer is responsible for compliance.
Disclaimers
⚠ Trademark & Compatibility Disclaimer
IronKells Armory LLC is not affiliated with, endorsed by, or sponsored by any manufacturer mentioned. All trademarks are the property of their respective owners and are used only to identify compatibility or fitment.
⚠ Install & Compatibility Disclaimer
Installation should be performed by a qualified armorer or gunsmith. Improper installation, modification, or use may affect firearm safety and reliability. Buyer is responsible for verifying compatibility, performing proper function testing, and ensuring safe operation.