Geissele Super Modular MK4 M-LOK 13.5in Rail - Desert Dirt Color - The Super Modular Rail (SMR) MK4 M-LOK is Geissele’s ultra-lightweight M-LOK option. These rails are purpose-built and feature integrated M1913 picatinny rail sections at the fore...
Geissele Super Modular MK4 M-LOK 13.5in Rail - Desert Dirt Color - The Super Modular Rail (SMR) MK4 M-LOK is Geissele’s ultra-lightweight M-LOK option. These rails are purpose-built and feature integrated M1913 picatinny rail sections at the fore...