Geissele 10.5" HK416 M-LOK Black Super Modular Rail 05-854B

Geissele 10.5" HK416 Super Modular Rail M-LOK Black (05‑854B) is a precision-engineered handguard designed specifically for HK416 and MR556 platforms, featuring a lightweight free-float design that replaces the standard HK rail while utilizing the factory barrel nut. Made from 6061‑T6 aluminum and finished with Type III black hardcoat anodizing, it provides military-grade durability and rigidity while enabling modular accessory mounting.

• Material: 6061‑T6 aircraft-grade aluminum
• Finish: Type III hardcoat anodized black
• Length: 10.5″ (actual rail length ~9 3/8″)
• Height: 2.61″; Inner diameter: 1.35″; Outer diameter (DAQ): 2.08″
• Weight: ~10.3 oz
• Mounting: Full-length Picatinny top rail; M-LOK slots at 3, 6, 9 o’clock positions
• Installation: Uses original HK416/MR556 barrel nut; hinge-style, torque-free clamp system
• Part Number: 05‑854B