Streamlight ProTac HL-X size & dimensions
Streamlight ProTac HL-X shown at true scale next to an 18650 cell. Add another light to compare.
Specs
| Streamlight ProTac HL-X Check price ↗ | |
| Length | 138 mm (5.43 in) |
| Head / width | 37 mm (1.46 in) |
| Body | 25 mm (0.98 in) |
| Weight | 162 g listed |
| Battery | 18650 / 2x CR123A |
| Max output | 1,000 lm |
| Throw | 330 m |
| Type | Tactical |
| Price | from $112.15 at batteryjunction.com, as of Nov 4, 2026 |
| Source | batteryjunction.com sourced |
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Size in everyday terms
The Streamlight ProTac HL-X is 138 mm (5.43 in) long and 37 mm (1.46 in) across at its widest point. That is about 1.6 times the length of a credit card (85.6 mm), or about 2.7 AA batteries end to end (50.5 mm each). Its widest point is 12.7 mm wider than a US quarter (24.26 mm). Next to a phone the size of an iPhone 15 (147.6 mm tall) it is 93% as long.
How it ranks
Among the 26 tactical lights in our catalog, the Streamlight ProTac HL-X is the 5th shortest, 25th brightest of 26 with a published output and 20th for throw of 26 with a published beam distance.
Battery, output and weight
The Streamlight ProTac HL-X runs on removable 18650 / 2x CR123A batteries. The manufacturer rates its maximum output at 1,000 lm and its throw at 330 m. Listed weight is 162 g. When we checked on Nov 4, 2026, it was from $112.15 at batteryjunction.com.
Featured in: Best tactical flashlights (#22).
Streamlight ProTac HL-X vs…
ProTac HL-X FAQ
How big is the Streamlight ProTac HL-X?
The Streamlight ProTac HL-X is 138 mm (5.43 in) long and 37 mm (1.46 in) across at its widest point. That is about 1.6 times the length of a credit card (85.6 mm), or about 2.7 AA batteries end to end (50.5 mm each). Its widest point is 12.7 mm wider than a US quarter (24.26 mm). Next to a phone the size of an iPhone 15 (147.6 mm tall) it is 93% as long.
What battery does the Streamlight ProTac HL-X use?
The Streamlight ProTac HL-X runs on removable 18650 / 2x CR123A batteries.
How bright is the Streamlight ProTac HL-X?
The manufacturer rates the Streamlight ProTac HL-X at 1,000 lm maximum output, with 330 m of throw.
More Streamlight lights
See also: Best tactical flashlights
Sources
- Streamlight ProTac HL-X: specs from manufacturer published specs as listed by batteryjunction.com. Price from $112.15 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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