Geissele Automatics MK4 10" Super Modular Rail M-LOK (Federal) Handguard
The Geissele MK4 10" Super Modular Rail is a 7000-series aluminum free-float handguard built around a rigid, vented profile with Type 3 hardcoat anodized finish. This 10" MK4 uses a Federal-pattern layout with M-LOK slots for modular accessory placement while keeping overall bulk down.
It features a full-length M1913 Picatinny top rail plus integrated M1913 rail sections at the front at the 3, 6, and 9 o'clock positions, with an elongated bottom Picatinny section for accessory clearance and placement flexibility.