Olight ArkTac vs SureFire G2X Pro size comparison
The SureFire G2X Pro is 3.4 mm (0.13 in) shorter than the Olight ArkTac, and 2.8 mm wider at its widest point. It is 11 g lighter (with battery).
Olight ArkTac: Photo: Olight · Image policy
The SureFire G2X Pro is 3.4 mm (0.13 in) shorter than the Olight ArkTac, and 2.8 mm wider at its widest point. It is 11 g lighter (with battery).
Dimensions
| Olight ArkTac Check price ↗ | SureFire G2X Pro Check price ↗ | |
| Length | 135.5 mm (5.33 in) | 132.1 mm (5.20 in)−3.4 mm |
| Head / width | 29 mm (1.14 in) | 31.8 mm (1.25 in)+2.8 mm |
| Body | — | 25.4 mm (1.00 in) |
| Thickness | 17 mm (0.67 in) | — |
| Weight | 136 g with battery | 124.7 g with batteries−11 g |
| Battery | Built-in | 2x CR123A |
| Max output | 1,700 lm | 600 lm |
| Throw | 205 m | — |
| Type | EDC | EDC |
| Price | $119.99 at olight.com, as of Nov 4, 2026 | $99.00 at batteryjunction.com, as of Nov 4, 2026 |
| Source | olight.com sourced | batteryjunction.com sourced |
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ArkTac vs G2X Pro: how they differ
Size and weight
The SureFire G2X Pro is the shorter light: 132.1 mm (5.20 in) against 135.5 mm (5.33 in), a difference of 3.4 mm (3%). At its widest point the Olight ArkTac is 2.8 mm slimmer (29 vs 31.8 mm). The SureFire G2X Pro is 11 g lighter (124.7 g vs 136 g, with battery).
Brightness and throw
The Olight ArkTac is rated brighter: 1,700 lm maximum vs 600 lm for the SureFire G2X Pro, 183% more.
Battery
The Olight ArkTac runs on a built-in rechargeable battery; the SureFire G2X Pro runs on removable 2x CR123A batteries. Only the SureFire G2X Pro lets you swap in a charged spare.
Price
When we checked on Nov 4, 2026, the Olight ArkTac was $119.99 at olight.com and the SureFire G2X Pro $99.00 at batteryjunction.com, so the SureFire G2X Pro cost $20.99 less. Prices change often, so check the current price before you buy.
Type
Both are EDC lights in our catalog.
Which should you buy?
Choose the Olight ArkTac if you want a slimmer profile (2.8 mm narrower), more output (1,700 lm vs 600 lm) and a built-in battery with no separate cell to buy. Choose the SureFire G2X Pro if you want a shorter light (3.4 mm shorter), less weight (11 g lighter) and a removable cell you can swap. We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Olight ArkTac Check price ↗ SureFire G2X Pro
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ArkTac vs G2X Pro FAQ
Which is smaller, the Olight ArkTac or the SureFire G2X Pro?
The SureFire G2X Pro is the shorter light: 132.1 mm (5.20 in) against 135.5 mm (5.33 in), a difference of 3.4 mm (3%). At its widest point the Olight ArkTac is 2.8 mm slimmer (29 vs 31.8 mm). The SureFire G2X Pro is 11 g lighter (124.7 g vs 136 g, with battery).
Which is brighter, the Olight ArkTac or the SureFire G2X Pro?
The Olight ArkTac is rated brighter: 1,700 lm maximum vs 600 lm for the SureFire G2X Pro, 183% more.
Which is cheaper, the Olight ArkTac or the SureFire G2X Pro?
When we checked on Nov 4, 2026, the Olight ArkTac was $119.99 at olight.com and the SureFire G2X Pro $99.00 at batteryjunction.com, so the SureFire G2X Pro cost $20.99 less. Prices change often, so check the current price before you buy.
Do the Olight ArkTac and SureFire G2X Pro use the same battery?
The Olight ArkTac runs on a built-in rechargeable battery; the SureFire G2X Pro runs on removable 2x CR123A batteries. Only the SureFire G2X Pro lets you swap in a charged spare.
Compare Olight ArkTac with similar lights
Compare SureFire G2X Pro with similar lights
More
Sources
- Olight ArkTac: specs from Olight product page (manufacturer). Photo from manufacturer: the maker's own product photo with the background removed, scaled to the published length and diameter (Photo: Olight; image policy). Price $119.99 from olight.com, checked Nov 4, 2026; prices change often.
- SureFire G2X Pro: specs from manufacturer published specs as listed by batteryjunction.com. Drawing: shape measured from manufacturer photo (batteryjunction.com), scaled to the published length and diameter. Price $99.00 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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