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4.5 (123)

MDM4 M91T-SureFire Millennium Adapter

Name: Malkoff Devices MDM4 M91T-SureFire Millennium Adapter - MDM4 M91T-SureFire Millennium Adapter
Brand: Malkoff Devices
SKU: 19470589251
Price: 151.99 USD
Availability: InStock
Rating: 4.9861 (71 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$151.99$157.99

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Color

Black

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Description

This turnkey package includes a Malkoff MDM4 Adapter and a Malkoff M91T Drop-in. The output is 1040 Lumens momentary and 800 Lumens continuous. The M91T provides 30K candela with ample spill. It will illuminate objects out to 900+ feet. Th...

Reviews

5.0

72 ratings

Great upgrade for my Surefire

Very nice addition to my Surefire M500A, nice USA made parts, real quality

Stanley · February 19, 2026

Night and day difference

Took one of my old AR’s with the Surefire light handguard. Put a new set of batteries in it and was underwhelmed at its light output. Emailed Gene and he explained my options. I bought the M91T lighthead conversion. Light output exceeded anything I imagined. Excellent!

Dennis · November 9, 2025