Surefire X300V-B Vampire combines white light and IR illuminator in one unit. White output at 350 lumens. The IR illuminates targets for night vision without a separate device. T-slot mount clamps without zero shift.





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SureFire
Overview
The SureFire X300V-B Vampire Infrared Weapon Light is designed to provide versatile lighting solutions for tactical applications, featuring a powerful output of 350 lumens and an infrared illuminator for low-light conditions. With a rail mount system, it securely attaches to your firearm, while the use of two CR123A batteries ensures reliable performance in the field. This light is commonly found in builds with a carbine gas system and a 5.56 NATO caliber, making it a suitable choice for both home defense and tactical operations.
Based on build data

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Aggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| Eotech 3x30.5mm x 21.6mm Holographic Hybrid Green Dot Sight - HHSGRN | 11 | |
| Radian Raptor Charging Handle & Talon Safety Selector Combo - Od Green | 11 | |
| Steiner Optics DBAL-D2 Dual Beam Aiming Laser with IR LED Illuminator - Black | 9 | |
| Troy Industries Offset Sight Set - Hk Front and Round Rear - Black | 7 | |
| Daniel Defense 14.5" 5.56 M4a1 Ar-15 Complete Upper - Flat Dark Earth | 7 | |
| Sig Sauer SLX Suppressor SURG 5.56, Assembly w/ Heat Shield, Commercial - SLX-SURG556 | 7 |
| Platform | Percentage |
|---|---|
| AR-15 | 77.8% |
| AR-9 | 22.2% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 57.1% |
| 9mm | 28.6% |
| .223 Wylde | 14.3% |
| Gas System | Percentage |
|---|---|
| Carbine | 50% |
| Pistol | 25% |
| Rifle | 25% |
Builds in the community that include the SureFire X300V-B Vampire Infrared Weapon Light with T-Slot Mount - 350 Lumens/120mW - Black
| Build | Parts | Total |
|---|---|---|
![]() | 28 | $3539.69 |
![]() | 37 | $5803.50 |
![]() | 22 | $1945.60 |
![]() | 30 | $3036.47 |
![]() | 18 | $4608.95 |
1 global rating
Surefire X300V-B Vampire combines white light and IR illuminator in one unit. White output at 350 lumens. The IR illuminates targets for night vision without a separate device. T-slot mount clamps without zero shift.