The Geissele Automatics Mk4 Super Modular Rail is an ultra-light purpose-built free float handguard for the AR-15 platform. This modular rail features M-LOK slots on five surfaces for your favorite accessories that double as excellent heat venting to help your rifle run cool. The Mk4 features integral M1913 rail sections at the 3, 6, and 9 o'clock positions at the muzzle end to accommodate weapon lights and bipods. The included proprietary barrel nut increases surface contact, increasing accuracy and repeatability of zero should the handguard be removed during maintenance.

Features:

  • 13.5" handguard weighs just 14.1 oz.
  • Durable black hardcoat anodized finish.
  • Full-length M1913 picatinny top rail.
  • M-LOK slots on five sides.

UPC
MFG Geissele
MODEL 13.5" Mk4 M-LOK Super Modular Rail - DDC
TITLE Geissele Automatics 13.5" Mk4 M-LOK Super Modular Rail - DDC

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