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Daniel Defense DD4 MK18 RIII SBR Rifle 5.56mm 32rd Magazine 10.3″ Barrel Black
$2,494.00
14 in stock
Daniel Defense’s MK18 RIII is an upgraded version of the popular MK18 platform offering less weight and greater flexibility. This short barreled rifle is outfitted with the exclusive RIS III rail system – an optimized version of the renowned RIS II rail that was developed by SOCOM. The RIS III rail system is lighter than the RIS II but still provides extreme durability and multiple M-LOK attachment points allow for the installation of tactical lights/lasers vertical grips and other M-LOK compatible accessories. The RIS III incorporates the 6-Bolt Bolt-Up system an attachment that is strong enough to withstand the recoil from an M203 grenade launcher. Another notable upgrade is fully ambidextrous controls including the safety selector bolt release and charging handle to allow both left and right handed to operate the rifle without moving their dominate hand from the grip. In addition the MK18 RIII features a 10.3” chrome-lined heavy phosphate-coated Government-profile barrel for excellent maneuverability and durability.
| Upc | 818773023252 |
|---|---|
| Manufacturer | Daniel Defense |
| Manufacturer part number | 02-088-10401-047 |
| Action | Semi-Auto |
| Atf type | Rifle |
| Barrel length | 10.3" |
| Capacity | 32 + 1 |
| Length | 24.75 |
| Magazine included | 1 x 30-Round |
| Model | DD4 MK18RIII |
| Number of magazines | 1 32 rd. |
| Package height | 13.0 |
| Package width | 4.0 |
| Product type | SBR |
| Rate of twist | 1-in-7 |
| Safety | Manual Safety |
| Shipping weight | 11.95 |
| Sights | No Sights |
BJ Firearms LLC is a federally licensed firearms business focused on providing quality firearms, accessories, and related services while promoting responsible ownership, education, and community engagement.
The company was founded to serve firearm enthusiasts with knowledgeable service, real-world experience, and a commitment to professionalism and safety.
We focus on real experience, personalized service, hands-on product knowledge, and community involvement — not just sales. Our goal is to help customers make informed decisions and feel confident with their equipment.
Yes. We operate as a federally licensed firearms dealer (FFL), following all applicable federal, state, and local regulations.
Yes. We partner with trusted suppliers to provide quality products and reliable sourcing.
Yes. We partner with content creators and industry professionals to provide real-world insights and experiences.
We work with everyone — from first-time buyers to experienced enthusiasts. Education and guidance are a big part of what we do.
We offer firearms, accessories, gear, and related equipment depending on availability and customer needs.
Yes. We help customers evaluate their needs, experience level, and intended use to find the right fit.
Yes. Depending on the request, we can help source specific products or assist with custom configurations.
Yes. We actively engage in hands-on experiences, demonstrations, and community-related firearm activities when possible.
Yes. We support content that helps people learn about equipment, safety, and responsible firearm ownership.




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