Geissele 9.3″ Super Modular Rail MK4 M-LOK Rail – Black

The Geissele 9.3” Super Modular Rail MK4 is a lightweight, free-floating rail system designed for superior performance, modularity, and reliability. Known for manufacturing the highest-quality trigger mechanisms, Geissele Automatics has extended its expertise to create a rail that meets the exacting demands of professional users, including U.S. Special Forces.

Key Features:

• M-LOK Attachment Points: Magpul M-LOK attachment points are located at several positions along the length of the rail, offering versatile mounting options for accessories.
• Ergonomic Design: The MK4 is engineered for comfort and flexibility, with a modular setup that allows for easy customization.
• Integrated Picatinny Rail Sections: Includes integrated M1913 Picatinny rail sections at the 3, 6, and 9 o’clock positions for mounting optics and accessories without the need for additional rails.
• Free-Float Design: The free-floating design offers a strong, rigid platform that reduces barrel deflection and improves overall accuracy.
• Proprietary Barrel Nut: Geissele’s 2.25” long barrel nut provides increased surface contact between the rail and receiver, ensuring a secure, straight, and true interface that maintains accuracy and zero repeatability, even during disassembly and reassembly.
• Easy Installation: Accessory rails are easy to install and do not require a gunsmith, although professional assistance is recommended if you lack the necessary tools or experience.

Trusted by Professionals:
Since 2004, Geissele has been the go-to choice for M4 carbine-based weapons, relied upon by U.S. Special Forces for its performance, quality, and reliability.

Upgrade your AR-15 with the Geissele 9.3” Super Modular Rail MK4 for a combination of precision engineering and modular flexibility.