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Daniel Defense  |  SKU: RSR-DD01-004-02976-011

Daniel Defense - RIS III 9.5" M-LOK Rail FDE

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Description

SOCOM-Proven Heritage. Modern M-LOK Versatility.

The Daniel Defense RIS III Rail Interface System builds on the legendary two-piece RIS II platform that has been trusted by U.S. Special Operations Command (SOCOM) since 2006. The RIS III retains the proven free-float design, uninterrupted upper rail, and bombproof mounting system of the RIS II—while reducing weight and adding modern M-LOK modularity.

Constructed from aircraft-grade 6061-T6 aluminum, the RIS III features seven M-LOK attachment positions along the handguard and integral QD sling swivel attachment points on both sides. The result is a rugged, mission-ready handguard that supports modern accessories while maintaining the durability and rigidity expected from Daniel Defense.

  • Free-floating barrel design enhances accuracy and consistency
  • M-LOK attachment at seven positions along the handguard
  • Integral QD sling swivel attachment points on both sides
  • Aircraft-grade 6061-T6 aluminum construction
  • Uninterrupted upper rail with Mil-Spec 1913 Picatinny interface
  • Proven 6-bolt Bolt-Up System securely mounts to the upper receiver
  • Grade 8 military-specification fasteners for extreme durability

Backward Compatibility

  • Compatible with the RIS II Bolt-Up System
  • Utilizes the same barrel nut and bolt-up plate as RIS II
  • RIS III upper rail is fully compatible with RIS II lower rail

Technical Specifications

  • Rail Length: 9.55"
  • Weight: 12.93 oz.
  • Width: 1.95"
  • Height: 2.16"
  • Inside Diameter: 1.34"
  • Barrel Nut: Steel (patented Bolt-Up System)
  • Gas System Length: Carbine
  • Free Float: Yes
  • Continuous Upper Rail: Yes

Finished in Flat Dark Earth (FDE), the RIS III is designed for duty, tactical, and preparedness-focused AR builds where reliability and modularity matter.

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Frequently Asked Questions

What makes the Daniel Defense RIS III 9.5" M-LOK Rail FDE suitable for tactical scenarios?

The free-floating barrel design of the RIS III rail enhances accuracy by eliminating contact between the barrel and the handguard. This design allows the barrel to vibrate consistently with each shot, reducing the potential for accuracy-degrading interference. In practical terms, this means more consistent shot placement, which is critical for both competitive shooting and tactical operations where precision is paramount.

How does the free-floating barrel design of the RIS III impact performance?

The free-floating barrel design of the RIS III rail enhances accuracy by eliminating contact between the barrel and the handguard. This design allows the barrel to vibrate consistently with each shot, reducing the potential for accuracy-degrading interference. In practical terms, this means more consistent shot placement, which is critical for both competitive shooting and tactical operations where precision is paramount.

What advantages does the M-LOK system provide for the RIS III rail?

The M-LOK system on the RIS III rail offers significant versatility and ease of use for accessory attachment. With seven M-LOK positions, users can quickly and securely attach a variety of accessories such as grips, lights, and lasers. This modularity allows for rapid configuration changes without the need for specialized tools, making it ideal for dynamic environments where equipment needs may evolve. The system's low profile also contributes to a sleeker, more streamlined firearm profile.

How does the RIS III rail maintain compatibility with the RIS II system?

The RIS III rail maintains backward compatibility with the RIS II system by utilizing the same barrel nut and bolt-up plate. This ensures that users upgrading from the RIS II can seamlessly integrate the RIS III without needing to replace existing components. This compatibility is particularly beneficial for those who have already invested in the RIS II infrastructure, allowing for an easy transition to the updated system.

What are the benefits of the integral QD sling swivel attachment points on the RIS III?

The integral QD sling swivel attachment points on the RIS III rail offer enhanced convenience and flexibility for sling mounting. These points allow for quick and secure attachment of slings, facilitating rapid transitions between carrying positions. This feature is crucial for tactical operations where mobility and readiness are key. The ability to quickly detach or reattach a sling can be a significant advantage in dynamic situations.

How does the RIS III's construction contribute to its durability?

Constructed from aircraft-grade 6061-T6 aluminum, the RIS III rail is built to withstand harsh conditions and rigorous use. This material choice provides an excellent balance of strength and weight, ensuring that the rail can endure the demands of tactical environments without adding unnecessary bulk. The use of grade 8 military-specification fasteners further enhances its durability, securing the rail firmly to the upper receiver.

What makes the RIS III rail a good choice for preparedness-focused AR builds?

The RIS III rail is an excellent choice for preparedness-focused AR builds due to its combination of reliability, modularity, and durability. Its free-floating design enhances accuracy, while the M-LOK system provides flexibility for attaching essential accessories. This makes it suitable for both defensive and survival scenarios where adaptability and performance are critical. For more insights on building a comprehensive preparedness kit, check out our Complete Guide to Emergency Preparedness Kits.

How does the RIS III's weight compare to other rail systems?

The RIS III rail is designed to be lighter than its predecessor, the RIS II, without compromising on strength or functionality. Weighing in at 12.93 ounces, it offers a balance between durability and weight savings, which is crucial for maintaining maneuverability in tactical situations. This reduction in weight can significantly enhance the handling of the firearm, especially during extended use or when carrying additional gear.

What role does the uninterrupted upper rail play in the RIS III's design?

The uninterrupted upper rail of the RIS III provides a continuous mounting platform for optics and other accessories. This design ensures that users can mount optics without gaps, which is essential for maintaining zero and ensuring consistent performance. The Mil-Spec 1913 Picatinny interface is compatible with a wide range of accessories, making it versatile for various operational needs.

How does the RIS III enhance the overall modularity of an AR build?

The RIS III enhances the modularity of an AR build through its M-LOK system and compatibility with existing RIS II components. This allows users to customize their firearms with a variety of accessories, such as grips, lights, and lasers, tailored to specific mission requirements. The ability to integrate seamlessly with existing systems also means that users can upgrade their setups without extensive modifications, preserving the integrity and functionality of their firearms.