Geissele Automatics

The Geissele Automatics Super Modular rail MK8 was designed to be a lightweight ultra-modular rail system that also provides you with Magpul M-LOK attachment points in several locations along the length of the rail. The MK8 features an ergonomic design, with a flexible and modular set up procedure. The free floating design is strong, rigid, and designed to be compatible with Mil-Spec M4 Upper Receivers. Features and Specifications: Manufacturer Number: 05-284B Geissele Automatics AR-15 Free Float Rail 9.5" Super Modular Rail MK8 MK8 with Magpul M-LOK attachment system M-LOK Compatible rails sections at 3, 6, and 9 o'clock Ergonomic Free Floating Modular Lightweight, Strong and Rigid Inner Diameter 1.35" Outside Diameter 2.11" Overall Weight 8.4oz, with Hardware Installed 10.3oz Black Fits: AR-15 Rifles