Daniel Defense126797855
Daniel Defense RIS III 13" FSP Assembly - Flat Dark Earth (FDE)$501.00
Availability: In Stock
The Daniel Defense RIS III 12.5" tactical rail system brings proven SOCOM-grade engineering to your AR platform in a lightweight, M-LOK-compatible package. Built on two decades of field-tested design heritage, this 12.5" handguard combines the accuracy benefits of free-floating barrel clearance with the modern attachment flexibility that shooters demand. Whether you're building a precision rifle, a duty AR, or a compact home-defense setup, the RIS III delivers the modular foundation professionals rely on—now with M-LOK slots along seven surfaces for easy accessory mounting.
The RIS III's architecture is rooted in the same two-piece design that has equipped U.S. Special Operations Command since 2006, but refined for contemporary shooters. Aircraft-grade 6061-T6 aluminum construction keeps weight down without sacrificing rigidity, while the uninterrupted upper Mil-Spec 1913 rail gives you a rock-solid mounting platform for optics and co-witness hardware. The handguard bolts to your upper receiver via Daniel Defense's battle-tested, six-bolt system using Grade 8 military-spec fasteners—a connection method proven to handle hard use. Integral QD swivel attachment points on both sides let you run a sling without additional hardware.
What sets the RIS III apart is its flexibility. Seven M-LOK attachment points along the length of the handguard let you mount lights, vertical grips, bipods, and other accessories exactly where you need them, and you can add or remove gear without tools or rail sections. If you need to run a grenade launcher (M203 or M320), the two-piece design lets you remove the lower rail section to make room. The Flat Dark Earth finish is hard-coat anodized to Mil-Spec Type III standards for durability in the field, and the RIS III is backward-compatible with the older RIS II bolt-up system, making it a straightforward upgrade path for existing builds.
| Length | 12.5" |
| Material | Aircraft-grade 6061-T6 aluminum |
| Upper Rail | Mil-Spec 1913 (Picatinny) |
| Attachment Points | 7 M-LOK slots along handguard length |
| Sling Attachment | Integral QD swivel points (both sides) |
| Barrel Interface | Free-floating design |
| Mounting System | 6-bolt to upper receiver with Grade 8 fasteners |
| Finish | Mil-Spec Type III hard-coat anodized, Flat Dark Earth (FDE) |
| Compatibility | RIS II bolt-up system; works with RIS II lower rail |
Yes. The RIS III uses Daniel Defense's six-bolt attachment system and is backward compatible with the RIS II barrel nut and bolt-up plate, so it installs on standard AR uppers the same way. If you have an older RIS II system, you can upgrade to the RIS III without replacing hardware.
The RIS III upper rail is Mil-Spec 1913 (Picatinny) and includes seven M-LOK slots along the handguard. You can also pair the RIS III upper with a RIS II lower rail to get Picatinny on the bottom and M-LOK on top, giving you maximum versatility for accessory mounting.
Yes. The 12.5" and 13.0" versions with front sight post (FSP) feature a two-piece design that lets you remove the lower rail section to accommodate M203 and M320 grenade launcher attachments.
The Daniel Defense RIS III 12.5" assembly ships as a complete handguard unit with the upper rail, M-LOK surfaces, and all integral attachment points. Installation requires only the rifle's existing upper receiver and standard tools for the bolt-up attachment.
SKU: 126797768 • Depth: 12.5in • Weight: 1oz
Availability: In Stock
The Daniel Defense RIS III 12.5" tactical rail system brings proven SOCOM-grade engineering to your AR platform in a lightweight, M-LOK-compatible package. Built on two decades of field-tested design heritage, this 12.5" handguard combines the accuracy benefits of free-floating barrel clearance with the modern attachment flexibility that shooters demand. Whether you're building a precision rifle, a duty AR, or a compact home-defense setup, the RIS III delivers the modular foundation professionals rely on—now with M-LOK slots along seven surfaces for easy accessory mounting.
The RIS III's architecture is rooted in the same two-piece design that has equipped U.S. Special Operations Command since 2006, but refined for contemporary shooters. Aircraft-grade 6061-T6 aluminum construction keeps weight down without sacrificing rigidity, while the uninterrupted upper Mil-Spec 1913 rail gives you a rock-solid mounting platform for optics and co-witness hardware. The handguard bolts to your upper receiver via Daniel Defense's battle-tested, six-bolt system using Grade 8 military-spec fasteners—a connection method proven to handle hard use. Integral QD swivel attachment points on both sides let you run a sling without additional hardware.
What sets the RIS III apart is its flexibility. Seven M-LOK attachment points along the length of the handguard let you mount lights, vertical grips, bipods, and other accessories exactly where you need them, and you can add or remove gear without tools or rail sections. If you need to run a grenade launcher (M203 or M320), the two-piece design lets you remove the lower rail section to make room. The Flat Dark Earth finish is hard-coat anodized to Mil-Spec Type III standards for durability in the field, and the RIS III is backward-compatible with the older RIS II bolt-up system, making it a straightforward upgrade path for existing builds.
| Length | 12.5" |
| Material | Aircraft-grade 6061-T6 aluminum |
| Upper Rail | Mil-Spec 1913 (Picatinny) |
| Attachment Points | 7 M-LOK slots along handguard length |
| Sling Attachment | Integral QD swivel points (both sides) |
| Barrel Interface | Free-floating design |
| Mounting System | 6-bolt to upper receiver with Grade 8 fasteners |
| Finish | Mil-Spec Type III hard-coat anodized, Flat Dark Earth (FDE) |
| Compatibility | RIS II bolt-up system; works with RIS II lower rail |
Yes. The RIS III uses Daniel Defense's six-bolt attachment system and is backward compatible with the RIS II barrel nut and bolt-up plate, so it installs on standard AR uppers the same way. If you have an older RIS II system, you can upgrade to the RIS III without replacing hardware.
The RIS III upper rail is Mil-Spec 1913 (Picatinny) and includes seven M-LOK slots along the handguard. You can also pair the RIS III upper with a RIS II lower rail to get Picatinny on the bottom and M-LOK on top, giving you maximum versatility for accessory mounting.
Yes. The 12.5" and 13.0" versions with front sight post (FSP) feature a two-piece design that lets you remove the lower rail section to accommodate M203 and M320 grenade launcher attachments.
The Daniel Defense RIS III 12.5" assembly ships as a complete handguard unit with the upper rail, M-LOK surfaces, and all integral attachment points. Installation requires only the rifle's existing upper receiver and standard tools for the bolt-up attachment.
SKU: 126797768 • Depth: 12.5in • Weight: 1oz