The Exothermic Technologies Under-Barrel UBF Flamethrower (Exothermic part no. PFUBF) is a compact, versatile flame-on-demand unit that attaches to any common firearm rail using a quick-release Picatinny adapter, or runs as a standalone handheld flamethrower. It throws a flame up to 25 feet on demand and is also compatible with Exothermic’s backpack reservoir kit, sold separately, for extended runtime beyond its built-in capacity. At roughly 8.55 x 13.35 x 19.90 inches, it’s a versatile option for shooters who want flame capability integrated with an existing rail platform or used independently.
Key Specifications
- Throws a flame up to 25 feet, on demand.
- Attaches to any common firearm rail using a quick-release Picatinny adapter.
- Can also be used as a standalone handheld flamethrower.
- Compatible with the backpack reservoir kit, sold separately, for extended runtime.
- Measures approximately 19.90 inches in length.
Frequently Asked Questions
Can this be used without a firearm? Yes, it can be used as a standalone handheld flamethrower in addition to rail mounting.
How far does the flame reach? Up to 25 feet, on demand.
Can I extend its runtime? Yes, it’s compatible with Exothermic’s backpack reservoir kit, sold separately.
Buy the Exothermic Technologies Under-Barrel UBF Flamethrower
For a flame-on-demand unit that works rail-mounted or handheld, the Exothermic Technologies Under-Barrel UBF covers both. Civilian ownership of this item is restricted or banned in a few states and localities (including California and Maryland as of this writing) — confirm your local laws before ordering. Order it from our Lubbock, Texas gun shop for fast, insured shipping, and browse our full flamethrowers lineup for reservoir and accessory upgrades.
| UPC | 850016429117 |
|---|---|
| Manufacturer | Exothermic Technologies |
| Manufacturer Part Number | PFUBF |
| Length | 19.9000 |
| Model | Pulsefire |







