Geissele Automatics MK4 Super Modular Rail Handguard 9.3 Inch M-LOK – Black (05-283B)

• Free float handguard designed for AR 15 platforms with compact modular accessory mounting
• 9.3 inch length with M LOK slots at 3 6 9 and upper 45 positions
• Includes proprietary 2.25 inch barrel nut for secure and repeatable installation
• Integrated front picatinny rail sections allow mounting of lights or forward accessories
• Maximum venting reduces weight and enhances heat dissipation during sustained firing
• Black finish rail requires separate barrel nut wrench and excludes included gas block

The Geissele Automatics MK4 Super Modular Rail 9.3″ M-LOK Handguard is a handguard designed for mounting accessories on AR-15 platforms.

The Geissele Automatics MK4 Super Modular Rail 9.3″ M-LOK Handguard measures 9.3 inches in length, has an outer diameter of 2.11 inches, and weighs 11.2 ounces with hardware. This product is used for attaching components via M-LOK slots and integrated Picatinny rail sections at the forward positions. It includes a barrel nut but requires a separate wrench for installation. The rail incorporates venting to reduce heat buildup and weight while maintaining structural rigidity. The 2.25-inch barrel nut interface increases receiver contact for alignment. In standard configurations, this free float rail supports accessory mounting across multiple positions.