Geissele Automatics MK4 Federal, Rail, OD Green, MLOK, AR15, 10"

The Geissele Super Modular Rail (SMR) MK4 M-LOK, utilized by the Federal Bureau of Investigation (FBI), stands as a high-quality rail system characterized by strength, modularity, and compatibility with the M-LOK system. Incorporating integrated M1913 Picatinny rail sections at the 3, 6, and 9 o'clock locations, along with an extended Picatinny rail on the underside, the SMR MK4 M-LOK facilitates optimal heat dissipation and reduced weight without compromising its robustness. Further enhancing its adaptability, the rail also showcases M-LOK slots positioned at the 3, 6, and 9 o'clock locations, in addition to the upper 45-degree quadrants, thereby offering users expanded modularity and flexibility for attaching accessories based on individual requirements.