The Geissele Automatics Super Modular Rail (SMR) MK4 M-LOK is an ultra-lightweight 9.3-inch handguard that offers integrated short M1913 picatinny rail sections, maximum heat venting, and Magpul’s M-LOK technology for versatile platform customization. This durable, highly accurate black rail utilizes a proprietary 2.25-inch long barrel nut (barrel nut wrench sold separately) for enhanced surface contact that ensures a straight and true platform over the length of the free float rail.
Specs
| Model No. | GEI05-283B |
| Model | Super Modular Rail |
| Manufacturer | Geissele Automatics |
| Color | Black |
