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Good light but big - Streamlight ProTac Rail Mount 1L-X USB Pro 850 Lumens LED Weapon Light

by RA, Verified Owner from NC, United States Written on May 2, 2026
Review for Streamlight ProTac Rail Mount 1L-X USB Pro 850 Lumens LED Weapon Light
Streamlight ProTac Rail Mount 1L-X USB Pro 850 Lumens LED Weapon Light
Streamlight ProTac Rail Mount 1L-X USB Pro 850 Lumens LED Weapon Light
$221.00 $132.79 Save 40%
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RA's Review of Streamlight ProTac Rail Mount 1L-X USB Pro 850 Lumens LED Weapon Light

Bought the light with high hopes, but will be returning it due to its size. The tube diameter of the light is approx 1.25”, which means when mounted, it adds almost 2” of bulk to your rail system. It is considerably bulkier than the ProtacRM1. For a slimline rail system this isn’t the best option. Streamlight makes great products but they have yet to produce a truly compact light for modern AR platforms.
Would Recommend: No
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Last updated 2026-08-02 UTC.