Geissele Super Modular Rail Mk4 Federal 10-inch DDC

The Geissele Super Modular Rail Mk4 Federal is a purpose-built M-LOK handguard designed to deliver a strong, lightweight platform for AR-15 users. This Mk4 Federal rail is the same design used to fulfill Federal Bureau of Investigation contracts, offering integrated Picatinny sections and broad M-LOK compatibility. Maximized venting improves heat dissipation while reducing overall weight. The DDC hardcoat anodized finish provides a durable exterior suited to field use.

Key Specifications

• The handguard is constructed from Aluminum for a balance of strength and reduced weight.
• The finish is Hardcoat Anodized to resist wear and corrosion.
• The length is 10 inches.
• The color is Desert Tan (DDC).
• Designed to fit the AR-15 platform.
• Features M-LOK slots at the 3, 6 and 9 o’clock positions and upper 45-degree quadrants for modular accessory placement.
• Includes integrated M1913 Picatinny sections at the 3, 6 and 9 o’clock positions with an elongated bottom rail for accessory clearance.
• The product model is listed as MK4 Federal.

Built for disciplined operators and serious AR-15 owners, the Mk4 Federal rail blends modularity and durability in a compact 10-inch package. Its M-LOK interface and integrated Picatinny sections let you mount essential accessories while keeping weight and bulk down. If you need a proven, mission-capable handguard with a rugged finish and practical ergonomics, this Geissele Mk4 Federal DDC rail is a pragmatic choice.