Geissele

Geissele Automatics Super Modular Rail MK18 AR-15 Handguard - M-LOK / Arca-Swiss - Black - 16"

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Geissele Automatics Super Modular Rail Mk18 Ar-15 Handguard - M-Lok / Arca-Swiss - Black - 16" - Handguard for AR-15 - view 1
Geissele Automatics Super Modular Rail Mk18 Ar-15 Handguard - M-Lok / Arca-Swiss - Black - 16" - Handguard for AR-15 - view 2
Geissele Automatics Super Modular Rail Mk18 Ar-15 Handguard - M-Lok / Arca-Swiss - Black - 16" - Handguard for AR-15 - view 3
Geissele Automatics Super Modular Rail Mk18 Ar-15 Handguard - M-Lok / Arca-Swiss - Black - 16" - Handguard for AR-15 - view 4
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Geissele

Overview

The Geissele Automatics Super Modular Rail Mk18 is a 16" AR-15 handguard designed for builders who need a lightweight yet robust mounting solution. Constructed from 6061-T6 aluminum and finished with hardcoat anodizing, this handguard features an M-LOK mounting interface, allowing for versatile attachment of accessories. Its rifle gas system length and 5” handguard length make it suitable for builds that prioritize a streamlined profile while maintaining durability and functionality.

Specifications

MPN05-791B
ColorBlack
Gas System LengthRifle
Handguard Length5
Mounting InterfaceM-LOK
FinishHardcoat Anodized
Material6061-T6 Aluminum
PlatformAR-15

Available Merchants(5)

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BattleHawk Armory logo
BattleHawk Armory
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$408
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Brownells
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$425
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Optics Planet
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$425
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Primary Arms
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$425
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Classic Firearms
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$425
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September 2026 on GunPartPicker

Geissele Automatics Super Modular Rail MK18 AR-15 Handguard - M-LOK / Arca-Swiss - Black - 16" ranked #69 of the 209 handguards builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since June 2026. All time, it ranks #97 of the 724 handguards builders have added.

It was out of stock everywhere we track for all of September 2026, and today none of the 5 retailers we track has it in stock right now. Listed prices start at $408 at BattleHawk Armory for when it comes back.

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