The Geissele Automatics 05578B comes with a uniquely designed handguard that integrates a smaller diameter and overall height for a sleeker look. The package also includes an updated version of the reputed Geissele Barrel Nut design that guarantees not only easy installation but also unparalleled rigidity.It employs the 2.25 barrel nut that interfaces with the receiver for extended surface contact, promising to be straight and true for the whole length of the free float rail. Precision machined using 6061-T6 Aluminum, the MK14 is recognized for its strength, stability, and lightweight character.Furthermore, the MK14 incorporates Magpul\'s M-LOK technology at the 3, 6, and 9 o\'clock positions, enabling the user to fully customize their rifle and securely install accessories like lights and bipods. To ensure durability and long-lasting performance, the Geissele MK14 Super Modular rail has a Type 3 Hardcoat Anodized finish.