Geissele AR-15 Super Modular Rail Mk8 15" M-Lok Aluminum Desert Dirt 05-286S

Overview

The Geissele Super Modular Rail (SMR) MK8 M-LOK is an ultra-modular handguard machined from aircraft-grade aluminum and finished in durable Desert Dirt Color (DDC) hardcoat anodizing. Designed to provide a rigid, straight-tracking platform across its full 15-inch length, the MK8 incorporates Magpul M-LOK attachment slots at the 3, 6, and 9 o'clock positions as well as the upper 45-degree quadrants, allowing users to customize their firearm with accessories while maintaining a streamlined profile. To optimize thermal performance and reduce overall weight to 12.4 ounces, the rail features maximum venting cutouts along the lower 45-degree quadrants for efficient heat dissipation. It attaches using Geissele's proprietary 2-inch long barrel nut, which maximizes the surface contact area with the receiver to ensure zero repeatability, structural straightness, and enhanced accuracy during maintenance disassembly and reassembly.

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