Geissele Automatics Super Modular MK4 AR-15 Handguard M-LOK - Desert Dirt - 15"
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Overview
The Geissele Automatics Super Modular Mk4 Handguard is a 15" AR-15 handguard designed for extended rifle gas systems, providing ample space for mounting accessories while maintaining a lightweight profile. Made from 6061-T6 aluminum and finished with hardcoat anodizing, it ensures durability and resistance to wear. Its M-LOK mounting interface allows for versatile attachment options for accessories, making it a popular choice among builders looking for a robust and functional handguard in various rifle configurations.
Specifications
Geissele Automatics Super Modular MK4 AR-15 Handguard M-LOK - Desert Dirt - 15"
Available Merchants(6)
Prices checked
Price Alert
October 2026 on GunPartPicker
Geissele Automatics Super Modular MK4 AR-15 Handguard M-LOK - Desert Dirt - 15" ranked #37 of the 290 handguards builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #28 of the 884 handguards builders have added. Builds with this handguard are mostly chambered in 5.56 NATO (70%, then .223 Wylde 24%), mostly on mid-length gas (75%, then carbine-length 17%), and mostly AR-15 (93%).
It was hard to find in October 2026, in stock on only 8 of the 21 days we checked, and today only Brownells has it in stock. Prices barely moved in October 2026, holding around $400, with no real sale all month. Buying today, the lowest price is $400 at Brownells, which matches the best price we saw in October.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
FAXON Firearms 16" 223 Wylde Match Barrel Stainless Steel Black
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PSA AR-15 Complete Lower Magpul MOE EPT Edition - Flat Dark Earth, No Magazine
Geissele Automatics AR-15/M16 Super Charging Handle, Ddc
Bravo Company M16 Bolt Carrier Group Black
Strike Industries Collar Adjustable Gas Block
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all builds →Builds in the community that include the Geissele Automatics Super Modular Mk4 Ar-15 Handguard M-Lok - Desert Dirt - 15"
| Build | Parts | Total |
|---|---|---|
 | 18 | $7395.63 |
 | 15 | $3685.40 |
 | 23 | $4049.29 |
| 8 | $1199.91 |
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