Geissele MK16 Super Modular Rail 13.5" M-LOK

Geissele MK16 Super Modular Rail: Purpose-Built Performance

The Geissele MK16 represents the pinnacle of handguard engineering for the AR-15 platform. Designed for shooters who demand uncompromising performance, this 13.5-inch rail system combines precision manufacturing with practical features that matter in the field.

Superior Construction and Rigidity

7000 Series Aluminum Construction: Precision-machined from aerospace-grade aluminum, the MK16 delivers exceptional strength-to-weight ratio without unnecessary bulk.

Anti-Rotation Design: Integrated anti-rotation tabs and set-screws prevent any movement or shift during use, even under extreme conditions. This ensures your zero remains true shot after shot.

Proven Barrel Nut System: The updated Geissele barrel nut design simplifies installation while guaranteeing rock-solid mounting to your upper receiver.

Maximum Accessory Mounting

• M1913 Picatinny rail on top for traditional optic mounts and accessories
• M-LOK slots on all four quadrants for modern, lightweight mounting solutions
• Seamless integration with industry-standard tactical accessories

Finish and Durability

The MK16 features Type-3 Hardcoat anodizing in Desert Dirt Color—a multi-shade finish designed to break up the weapon's outline in varied terrain. Note that color variation between products is normal and intentional.

The Bottom Line

If you're building or upgrading a serious AR-15, the Geissele MK16 is engineered for those who refuse to compromise on quality or performance.