Fenix TK11R vs ThruNite BSS V6 size comparison
The ThruNite BSS V6 is 0.5 mm (0.02 in) longer than the Fenix TK11R, and 9 mm narrower at its widest point. Weights are published on different bases (listed vs without battery), so compare them with care.
The ThruNite BSS V6 is 0.5 mm (0.02 in) longer than the Fenix TK11R, and 9 mm narrower at its widest point. Weights are published on different bases (listed vs without battery), so compare them with care.
Dimensions
| Fenix TK11R Check price ↗ | ThruNite BSS V6 Check price ↗ | |
| Length | 145.5 mm (5.73 in) | 146 mm (5.75 in)+0.5 mm |
| Head / width | 34 mm (1.34 in) | 25 mm (0.98 in)−9 mm |
| Body | 23.5 mm (0.93 in) | 24 mm (0.94 in)+0.5 mm |
| Weight | 117.5 g without battery | 97 g listed |
| Battery | 18650 / 2x CR123A | 18650 |
| Max output | 1,600 lm | 2,000 lm |
| Throw | 420 m | 259 m |
| Type | Tactical | Tactical |
| Price | $86.95 at fenixlighting.com, as of Nov 4, 2026 | $49.99 at batteryjunction.com, as of Nov 4, 2026 |
| Source | fenixlighting.com sourced | batteryjunction.com sourced |
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TK11R vs BSS V6: how they differ
Size and weight
The Fenix TK11R is the shorter light: 145.5 mm (5.73 in) against 146 mm (5.75 in), a difference of 0.5 mm (0%). At its widest point the ThruNite BSS V6 is 9 mm slimmer (25 vs 34 mm). Weights are published on different bases (Fenix TK11R: 117.5 g without battery; ThruNite BSS V6: 97 g listed), so they are not directly comparable.
Brightness and throw
The ThruNite BSS V6 is rated brighter: 2,000 lm maximum vs 1,600 lm for the Fenix TK11R, 25% more. For beam distance the Fenix TK11R reaches further: 420 m vs 259 m rated throw (62% more).
Battery
The Fenix TK11R runs on removable 18650 / 2x CR123A batteries; the ThruNite BSS V6 runs on a removable 18650 battery.
Price
When we checked on Nov 4, 2026, the Fenix TK11R was $86.95 at fenixlighting.com and the ThruNite BSS V6 $49.99 at batteryjunction.com, so the ThruNite BSS V6 cost $36.96 less. Prices change often, so check the current price before you buy.
Type
Both are tactical lights in our catalog with a tube body.
Which should you buy?
Choose the Fenix TK11R if you want longer throw (420 m vs 259 m). Choose the ThruNite BSS V6 if you want a slimmer profile (9 mm narrower) and more output (2,000 lm vs 1,600 lm). We compare published size, weight, output, throw and battery only, not runtime, interface or build quality.
Check price ↗ Fenix TK11R Check price ↗ ThruNite BSS V6
We may earn a commission from these links, at no cost to you. Rankings are never paid for. Disclosure
TK11R vs BSS V6 FAQ
Which is smaller, the Fenix TK11R or the ThruNite BSS V6?
The Fenix TK11R is the shorter light: 145.5 mm (5.73 in) against 146 mm (5.75 in), a difference of 0.5 mm (0%). At its widest point the ThruNite BSS V6 is 9 mm slimmer (25 vs 34 mm). Weights are published on different bases (Fenix TK11R: 117.5 g without battery; ThruNite BSS V6: 97 g listed), so they are not directly comparable.
Which is brighter, the Fenix TK11R or the ThruNite BSS V6?
The ThruNite BSS V6 is rated brighter: 2,000 lm maximum vs 1,600 lm for the Fenix TK11R, 25% more. For beam distance the Fenix TK11R reaches further: 420 m vs 259 m rated throw (62% more).
Which is cheaper, the Fenix TK11R or the ThruNite BSS V6?
When we checked on Nov 4, 2026, the Fenix TK11R was $86.95 at fenixlighting.com and the ThruNite BSS V6 $49.99 at batteryjunction.com, so the ThruNite BSS V6 cost $36.96 less. Prices change often, so check the current price before you buy.
Do the Fenix TK11R and ThruNite BSS V6 use the same battery?
The Fenix TK11R runs on removable 18650 / 2x CR123A batteries; the ThruNite BSS V6 runs on a removable 18650 battery.
Compare Fenix TK11R with similar lights
Compare ThruNite BSS V6 with similar lights
More
Sources
- Fenix TK11R: specs from Fenix product page (manufacturer). Drawing: shape measured from manufacturer photo (batteryjunction.com), scaled to the published length and diameter. Price $86.95 from fenixlighting.com, checked Nov 4, 2026; prices change often.
- ThruNite BSS V6: specs from manufacturer published specs as listed by batteryjunction.com. Drawing: outline from published specs. Price $49.99 from batteryjunction.com, checked Nov 4, 2026; prices change often.
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