Geissele MK14 Super Modular Rail 13.5" M-LOK

Geissele MK14 Super Modular Rail Handguard

The MK14 represents Geissele's latest evolution in modular rail design, delivering a slimmer profile without sacrificing strength or functionality. This 13.5-inch handguard is engineered for shooters who demand precision, reliability, and the flexibility to configure their rifle exactly as they see fit.

Construction & Design

Materials & Machining

• Precision machined from 6061-T6 aluminum for optimal strength-to-weight ratio
• Type 3 Hardcoat Anodized finish for durability and corrosion resistance
• Compact diameter and height create a lighter, more ergonomic package

Barrel Nut System The included updated Geissele barrel nut features a 2.25-inch contact surface that interfaces directly with the receiver. This extended contact area creates a rigid, stable platform that maintains perfect alignment along the entire length of the free-float rail—critical for accuracy and reliability.

Modularity & Customization

M-LOK slots positioned at the 3, 6, and 9 o'clock positions provide multiple mounting points for:

• Tactical lights and laser systems
• Bipods and shooting supports
• Vertical grips and accessories
• Cable management solutions

What's Included

• MK14 handguard assembly
• Updated Geissele barrel nut
• Installation instructions

Note: Barrel nut wrench sold separately. Gas block not included.

The Bottom Line

The MK14 Super Modular Rail delivers Geissele's proven engineering in a more refined package. Whether you're building a precision rifle or upgrading an existing platform, this handguard provides the rigidity, modularity, and reliability serious shooters expect.