Geissele Super Modular MK4 M-LOK 13.5in Rail - Black - Black 13.5in
$300.99
Geissele Super Modular MK4 M-LOK 13.5in Rail - Black - Black - 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 of the...