Geissele Automatics MK4 Super Modular Rail Handguard 10.5 Inch M-LOK – Black (05-1656B)

• Free float handguard designed for AR platform rifles with modular accessory mounting capability
• 10.5 inch length with full length top picatinny rail for optics and accessories
• M LOK attachment slots at 3 6 and 9 oclock positions for accessory mounting flexibility
• Includes Geissele proprietary 2.25 inch barrel nut for secure installation interface
• Additional forward picatinny rail sections allow extended mounting of lights or accessories
• Black finish handguard requires separate barrel nut wrench and does not include gas block

The Geissele Automatics MK4 Super Modular Rail Handguard 10.5″ is a rail handguard designed for mounting accessories on AR-platform rifles. This Geissele Automatics MK4 Super Modular Rail Handguard 10.5″ features an M-LOK interface with a full-length Picatinny top rail for accessory attachment. It provides a 10.5-inch length with a proprietary 2.25-inch barrel nut system.

The Geissele Automatics MK4 Super Modular Rail Handguard 10.5″ is constructed as a modular rail system with M-LOK slots at the 3, 6, and 9 o’clock positions and additional forward-mounted Picatinny sections. It includes venting along the lower 45-degree quadrants and requires a compatible barrel nut wrench sold separately. This product is used for mounting optics, grips, and accessories on rifle platforms. In typical setups, the rail provides multiple attachment points and a continuous top rail for alignment of sights and devices. The MK4 handguard is finished in black and categorized under handguards and forends for rifle configuration use.