Surefire Masterfire Weapon Light 4" 350 lm - X400VHBIRC

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Surefire Masterfire Weapon Light 4" 350 lm - X400VHBIRC - Light - view 1
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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

MPNX400VHBIRC
ColorBlack
Light TypeFlashlight
Output350 Lumens

Available Merchants(7)

Prices checked

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Ammunition Depot logo
Ammunition Depot
~$28.90 est. shipping
Shipping Speed
In Stock
$676.99
Optics Planet logo
Optics Planet
Free shipping
Shipping Speed
In Stock
$769.99
Brownells logo
Brownells
Free shipping
Shipping Speed
In Stock
$791.00
MidwayUSA logo
MidwayUSA
Free shipping
Shipping Speed
In Stock
$791.00
BattleHawk Armory logo
BattleHawk Armory
Shipping varies
Shipping Speed
Out of Stock
$791.00
KY Gun Company logo
KY Gun Company
Flat rate shipping
Shipping Speed
Out of Stock
$791.00
Palmetto State Armory logo
Palmetto State Armory
Free shipping
Shipping Speed
Out of Stock
$791.99

Build history on GunPartPicker

Builders have added the Surefire Masterfire Weapon Light 4" 350 lm - X400VHBIRC to their builds on GunPartPicker. Since April 2026, it ranks #137 of the 257 weapon lights builders have added. Builds with this weapon light are split between 5.56 NATO (56%) and .223 Wylde (11%), split between carbine-length (50%) and rifle-length (33%) gas systems, and mostly AR-15 (74%, then AR-10 22%).

Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today 4 of the 7 retailers we track have it in stock. It dipped to $676.99 at Ammunition Depot for a stretch in October 2026, well under its usual $791, so sales do come around. Buying today, the lowest price is $676.99 at Ammunition Depot, which matches the best price we saw in October.

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Frequently Built With

The part most often added in each category by the builds that include this one

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

73.9%
AR-1573.9%
AR-1021.7%
AR-94.3%

Caliber

55.6%
5.56 NATO55.6%
.223 Wylde11.1%
.308 Win5.6%
300 Blackout5.6%
6.5 Creedmoor5.6%
Other16.8%

Gas System

50%
Carbine50%
Rifle33.3%
Blowback16.7%

Builds Featuring This Part

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Builds in the community that include the Surefire Masterfire Weapon Light 4" 350 lm - X400VHBIRC

BuildPartsTotal
Second 5.56 build build
Second 5.56 build
28$5382.13

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