Olight ArkTac Ultra vs SureFire G2X Pro size comparison
The SureFire G2X Pro is 3.5 mm (0.14 in) shorter than the Olight ArkTac Ultra, and 2.8 mm wider at its widest point. It is 15 g lighter (with battery).
The SureFire G2X Pro is 3.5 mm (0.14 in) shorter than the Olight ArkTac Ultra, and 2.8 mm wider at its widest point. It is 15 g lighter (with battery).
Dimensions
| Olight ArkTac Ultra Check price ↗ | SureFire G2X Pro Check price ↗ | |
| Length | 135.6 mm (5.34 in) | 132.1 mm (5.20 in)−3.5 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 | 140 g with battery | 124.7 g with batteries−15 g |
| Battery | Built-in | 2x CR123A |
| Max output | — | 600 lm |
| Throw | — | — |
| Type | EDC | EDC |
| Price | $159.99 at olight.com, as of Nov 4, 2026 | $99.00 at batteryjunction.com, as of Nov 4, 2026 |
| Source | olight.com unverified Dims from ArkTac series comparison table (row assumed to be Ultra); re-check on ArkTac Ultra page | batteryjunction.com sourced |
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ArkTac Ultra vs G2X Pro: how they differ
Size and weight
The SureFire G2X Pro is the shorter light: 132.1 mm (5.20 in) against 135.6 mm (5.34 in), a difference of 3.5 mm (3%). At its widest point the Olight ArkTac Ultra is 2.8 mm slimmer (29 vs 31.8 mm). The SureFire G2X Pro is 15 g lighter (124.7 g vs 140 g, with battery).
Brightness and throw
The SureFire G2X Pro is rated at 600 lm; we have no published maximum for the Olight ArkTac Ultra.
Battery
The Olight ArkTac Ultra 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 Ultra was $159.99 at olight.com and the SureFire G2X Pro $99.00 at batteryjunction.com, so the SureFire G2X Pro cost $60.99 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 Ultra if you want a slimmer profile (2.8 mm narrower) and a built-in battery with no separate cell to buy. Choose the SureFire G2X Pro if you want a shorter light (3.5 mm shorter), less weight (15 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 Ultra Check price ↗ SureFire G2X Pro
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ArkTac Ultra vs G2X Pro FAQ
Which is smaller, the Olight ArkTac Ultra or the SureFire G2X Pro?
The SureFire G2X Pro is the shorter light: 132.1 mm (5.20 in) against 135.6 mm (5.34 in), a difference of 3.5 mm (3%). At its widest point the Olight ArkTac Ultra is 2.8 mm slimmer (29 vs 31.8 mm). The SureFire G2X Pro is 15 g lighter (124.7 g vs 140 g, with battery).
Which is cheaper, the Olight ArkTac Ultra or the SureFire G2X Pro?
When we checked on Nov 4, 2026, the Olight ArkTac Ultra was $159.99 at olight.com and the SureFire G2X Pro $99.00 at batteryjunction.com, so the SureFire G2X Pro cost $60.99 less. Prices change often, so check the current price before you buy.
Do the Olight ArkTac Ultra and SureFire G2X Pro use the same battery?
The Olight ArkTac Ultra 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 Ultra with similar lights
Compare SureFire G2X Pro with similar lights
More
Sources
- Olight ArkTac Ultra: specs from Olight product page (manufacturer). Some values could not be confirmed on a second source and are marked unverified. Price $159.99 from olight.com, checked Nov 4, 2026; prices change often.
- SureFire G2X Pro: specs from manufacturer published specs as listed by batteryjunction.com. Price $99.00 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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