Surefire Masterfire Weapon Light 4" 350 lm - X400VHBIRC
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SureFire
Overview
The Surefire Masterfire Weapon Light is a compact flashlight designed to provide an output of 350 lumens, making it suitable for a variety of low-light situations. Its black finish allows for seamless integration with your setup while providing reliable illumination when needed. This light is often found on builds featuring a carbine gas system and chambered in 5.56 NATO, enhancing versatility for tactical applications.
Specifications
Build history on GunPartPicker
Builders on GunPartPicker first added the Surefire Masterfire Weapon Light 4" 350 lm - X400VHBIRC to a build in January 2026. Builds with this weapon light are split between 5.56 NATO (50%) and .223 Wylde (17%), split between carbine-length (33%) and blowback (33%) gas systems, and mostly AR-15 (60%, then AR-10 20%).
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today all 7 retailers we track have it in stock. Prices barely moved in August 2026, holding around $676.99, so there haven't been real sales lately. Buying today, the lowest price is $676.99 at Ammunition Depot, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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We ranked every light by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Weapon Light Guide →Frequently Built With
The part most often added in each category by the 21 builds that include this one
LMT MARS-LS PDW Complete Ambidextrous AR-15 Lower Receiver
Franklin Armory BFSIII CZ-S1 Binary Trigger - 06-50026-Black
Magpul AR-15 MOE Stock Fixed Commercial Black
ELCAN SpecterDR Dual Role 1.5x/6x 7.62 Optical Sight - Black
Fightlite Industries MCR-556-DFR 5.56 NATO 16.25" Upper Receiver Assembly
Radian Raptor Charging Handle & Talon Safety Selector Combo - OD Green
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 1 →Builds in the community that include the Surefire Masterfire Weapon Light 4" 350 lm - X400VHBIRC
| Build | Parts | Total |
|---|---|---|
 | 28 | $5506.11 |
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