Geissele 15" M-LOK MK14 Black Super Modular Rail 05-575B

Geissele 15" M-LOK MK14 Black Super Modular Rail 05‑575B is a premium free-float handguard engineered for AR-15 platforms, designed to combine robust modularity with minimal weight. Built from 6061-T6 aluminum and finished in matte black Type III hardcoat anodizing, this rail surrounds the barrel with structural integrity while providing ample mounting real estate via full-length Picatinny at the top and M-LOK slots on three sides. Its notched hinge-style locking system ensures repeatable zero retention and tool-less maintenance accessibility.

• Material: 6061-T6 aluminum with hardcoat anodize
• Length: 15″ free-float design
• Mounting: Full-length Picatinny rail and M-LOK slots at 2, 4, 6, 8, 10 o’clock
• Weight: Approximately 1.4 lb
• Attachment System: Hinge clamp design for torque-free installation
• Cross-section: Slim profile for better ergonomics and heat dissipation
• Part Number: 05‑575B