The Super Modular Rail (SMR) MK4 M-LOK™ is Geissele’s ultra-lightweight M-LOK

The Super Modular Rail (SMR)

MK4 M-LOK™

is

Geissele’s

ultra-lightweight

M-LOK

Read more here:

https://geissele.com/9-5-super-modular-rail-mk4-m-lok.html