Geissele Automatics MK8, Super Modular Rail, Handguard, 13.5", M-LOK, Barrel Nut Wrench Sold Separately (GEI-02-243), Gas Block Not Included, Black 05-285B 05285B

Manufacturer: Geissele Automatics
SKU: 856371
Manufacturer part number: 05285B
UPC: 854014005793
Availability: 2 in stock
Old price: $306.00
$291.74
i h
Geissele Automatics MK8 Super Modular Rail Handguard – 13.5" M‑LOK – Black (05‑285B)

Geissele Automatics MK8 Super Modular Rail Handguard – 13.5" M‑LOK – Black (05‑285B)

The Geissele Automatics MK8 Super Modular Rail Handguard sets a new standard for AR‑15 style platforms, delivering unmatched precision, rugged durability, and a fully customizable accessory layout. At 13.5 inches, this lightweight, black‑anodized handguard features a proprietary M‑LOK interface that lets shooters mount lights, lasers, grips, and more with a sleek, low‑profile design.

Key Features & Benefits

  • Super Modular M‑LOK System: 15 M‑LOK slots (7 top, 6 bottom, 2 side) provide endless configuration options for optics, foregrips, lasers, and rail accessories.
  • Precision‑Engineered 13.5‑Inch Length: Optimized for balance and maneuverability without sacrificing barrel support.
  • Aircraft‑Grade Aluminum Construction: CNC‑machined 7075‑T6 aluminum ensures maximum strength while keeping weight under 9 oz.
  • Free‑Float Design: Eliminates barrel contact, improving accuracy and reducing recoil‑induced shift.
  • Easy Installation: Uses Geissele’s patented Barrel Nut Wrench (GEI‑02‑243) sold separately for quick, tool‑free mounting.
  • Corrosion‑Resistant Black Finish: Matte black anodizing resists wear, UV exposure, and harsh environments.
  • Gas Block Not Included: Allows you to pair the handguard with your preferred gas system for ultimate customization.

Technical Specifications

Model Number:05‑285B
UPC:854014005793
Overall Length:13.5 in (342 mm)
Material:7075‑T6 Aluminum (aircraft grade)
Finish:Matte Black Anodized
M‑LOK Slots:15 (7 top, 6 bottom, 2 side)
Weight:≈ 8.9 oz (252 g)
Compatibility:AR‑15, M‑16, 5.56×45 mm, .223 Remington platforms with standard barrel nut
Barrel Nut Wrench:GEI‑02‑243 (sold separately)
Gas Block:Not included – compatible with standard and mid‑length gas blocks

Why Choose the Geissele MK8?

Geissele Automatics has built its reputation on performance‑driven engineering and battlefield‑tested reliability. The MK8 handguard continues that tradition by offering:

  • Enhanced Accuracy: Free‑float design reduces barrel flex for tighter shot groups.
  • Modular Flexibility: M‑LOK’s low‑profile footprint means you can add or remove accessories without adding bulk.
  • Durability Under Fire: 7075‑T6 aluminum endures high‑impact environments, making it ideal for tactical, competition, and recreational shooters.
  • Future‑Proof Platform: Seamlessly integrates with upcoming Geissele accessories, ensuring your build stays current.

Installation Overview

  1. Secure the handguard to the upper receiver using the supplied set‑screw hardware.
  2. Fit the GEI‑02‑243 Barrel Nut Wrench (sold separately) into the barrel nut slot.
  3. Tighten the barrel nut to the recommended torque (≈ 12 in‑lb) while ensuring the handguard remains perfectly aligned.
  4. Attach M‑LOK accessories to your desired slots—no additional hardware required.
  5. Re‑install the gas block of your choice (not included) and perform a function test.

Customer Support & Warranty

Every Geissele MK8 handguard ships with a limited lifetime warranty against manufacturing defects. Our dedicated support team is available to answer any fitment or installation questions, ensuring you get the most out of your modular rail system.

The End

Products specifications
ManufacturerGeissele Automatics
SubCategoryHandguard Accessories
CategoryParts
Only registered users can write reviews