Geissele Mk4 M-LOK Super Modular Rail AR-15 Handguard – Black – 13.5″


  • 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.


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SKU05-278B Category

If you’re looking for a top-of-the-line handguard for your AR-15, look no further than the Geissele Mk4 Super Modular Rail. This ultra-light handguard is purpose-built for the AR-15 platform and features M-LOK slots on five surfaces for your favorite accessories. The slots also double as excellent heat vents to help keep your rifle cool. The Mk4 also features integral M1913 rail sections at the 3, 6, and 9 o’clock positions at the muzzle end to accommodate weapon lights and bipods. Plus, the included proprietary barrel nut increases surface contact for increased accuracy and repeatability of zero should the handguard be removed during maintenance. So if you’re looking for a high-quality, highly functional handguard for your AR-15, choose the Geissele Mk4 Super Modular Rail.


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