GEISSELE 10" SUPER MOD MK4 FED DDC

Geissele Automatics MK4 Federal, MK4, Rail, Desert Tan, MLOK, AR15, 10", Product Finishes, Shade Variations and Other Imperfections Are Normal Due to the Manufacturing Process 05-430DDC

Geissele's Super Modular MK4 Rail is used by the Federal Bureau of Investigation due to its strength, modularity, and M-LOK compatibility. It features M1913 picatinny rails in the 6 o'clock and 12 o'clock positions, as well as shorter M1913 picatinny rails in the front 3 o'clock and 9 o'clock positions.