Geissele's ultra-lightweight Super Modular Rail MK4 combines M-LOK modularity with integrated Picatinny sections and maximum venting for heat management. Desert Dirt Color.
The SMR MK4 M-LOK represents Geissele's commitment to precision engineering and shooter-centric design. This 13.5-inch handguard delivers the modularity modern shooters demand without sacrificing the rigidity that accuracy requires.
Lightweight Design with Purpose
Precision Interface
Versatile Platform The combination of integrated Picatinny rails and M-LOK slots allows you to configure your rifle exactly as you need it. Whether you're building a precision rifle, a tactical carbine, or something in between, the MK4 adapts to your requirements.
Handguard only. Barrel nut wrench and gas block sold separately.
Finish variations and minor imperfections are normal and do not affect performance or durability.