Geissele Super Modular MK13 9.5" Rail Handguard - M-LOK - Desert Dirt

SKU: 05-577S
MPN: 05-577S
Manufactured by Geissele Automatics


Out of Stock


Out of Stock


Geissele Automatics manufactures confidence, offering quality triggers and components for the warfighter and competitor.

The MK13 Super Modular Rail offers a smaller diameter and overall height, creating a slimmer package. This versatile rail provides M-LOK and Picatinny mounting options to accommodate your favorite optics, lights, and other accessories.

Precision machined from 6061-T6 aluminum for lightweight strength and rigidity, the MK13 is protected by a durable Type III hardcoat anodized finish. The included 2.25” Geissele Barrel Nut creates a straight, secure fit to the receiver.

  • For AR-15 pattern rifles.
  • M-LOK compatible.
  • Full length Picatinny top rail.
  • 6061-T6 aluminum.
  • Type III hardcoat anodized finish.
  • 0.750" Geissele Super Gas Block included.
  • Barrel nut wrench included.
  • 2.25” Geissele Barrel Nut included.
  • Height: 2.02"
  • Length: 9.5"
  • Inside diameter: 1.27"
  • Outside diameter: 1.52" in M-LOK Sections, 2.044" at Picatinny.
  • Installed weight: 11.7 oz.


Accessory AttachmentM-LOK
ColorDesert Dirt
FinishHardcoat Anodized
Gas System LengthMid-Length
Handguard Length9.50 in
Inner Diameter1.27 in
ManufacturerGeissele Automatics
MaterialAluminum - 6061-T6
Weight11.7 Oz

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