Geissele 13.5" M-LOK MK8 Black Super Modular Rail 05-285B is a full-length handguard engineered for the MK8 rifle platform, offering maximum accessory space and unmatched durability. The 13.5-inch rail utilizes the M-LOK attachment system, providing a sleek and secure interface for a wide variety of tactical add-ons. Constructed from aircraft-grade aluminum and finished with a tough black anodizing, it delivers lightweight handling and rock-solid performance in demanding environments. Length: 13.5 inches Attachment System: M-LOK Compatible Platform: MK8 rifle series Material: Aircraft-grade aluminum alloy Finish: Black anodized Weight: Lightweight construction Mounting: Modular accessory attachment points Durability: Designed for rugged and extended use Manufacturer Part Number: 05-285B Geissele Automatics Geissele 13.5" M-LOK MK8 Black Super Modular Rail 05-285B