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Geissele
Overview
The Geissele Automatics Mk16 10.5" Super Modular Rail is a robust handguard designed specifically for the AR-15 platform. With a length of 10.5 inches and a carbine gas system compatibility, this rail provides ample space for mounting accessories while maintaining a lightweight profile due to its aluminum construction. The M-LOK mounting interface allows for versatile attachment options, making it a popular choice among builders working with 5.56 NATO caliber setups.
Specifications
Geissele Automatics MK16 10.5" Super Modular Rail M-LOK Black
Available Merchants(8)
Prices checked
Price Alert
Build history on GunPartPicker
Builders have been adding the Geissele Automatics MK16 10.5" Super Modular Rail M-LOK Black to their builds on GunPartPicker since January 2026. All time, it ranks #74 of the 708 handguards builders have added.
It was in stock most days in September 2026, and today 6 of the 8 retailers we track have it in stock. It dipped to $262.19 at GritR Sports for a stretch in September 2026, well under its usual $325, so sales do come around. Buying today, the lowest price is $325 at Brownells, above September's low of $262.19, so a better deal may come back.
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 11.5" Gunner 5.56 NATO Mid-Length
Aero Precision M4E1 Threaded Stripped AR-15 Upper - No Forward Assist - Anodized Black
Radian Weapons AR-15 Raptor-SD Ambidextrous Charging Handle OD Green
CMMG MK4 .223 Remington AR Lower, Black - 55CA102AB
Midwest Industries AR-15 5.56/.223 Bolt Carrier Group - Black Nitride - MI-BCG-NIT
CMMG AR15 Ambidextrous Safety Selector
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.
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