Geissele Automatics 05284B MK8 Super Modular Rail 9.50" M-LOK Style Made of 6061-T6 Aluminum with Black Anodized for AR-Platform Grips It has an ambidextrous thumb

It has an ambidextrous thumb hole

and folds compactly

it only requires swapping out the upper receiver

The blade is crafted from D2 steel

allowing for extended cartridge overall length of 3

Geissele Automatics 05284B MK8 Super Modular Rail 9.50" M-LOK Style Made of 6061-T6 Aluminum with Black Anodized for AR-Platform Grips It has an ambidextrous thumbThe Super Modular Rail (SMR) MK8 M LOK is Geissele's ultra modular model. It is designed to give the user full modularity while maintaining a strong and rigid platform. Maximum venting at the lower 45 degree quadrants create maximum heat dissipation and also dramatically reduces the rail's overall weight. The rail utilizes Magpul's M LOK technology at the 3, 6, and 9 o'clock positions, as well as the upper 45 degree quadrants. The SMR MK8 is both