Side-by-side comparison
Rifle and shotgun reflex sights, compared
3 current long-gun reflex sights we have reviewed, too few to rank, listed side by side by the same rule with their sourced specs.
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- Holosun HS510C Reflex Sight 7 of 7 measures sourced
- High reliability reputation, medium confidence
- $364.69 list
- Battery changes without removing the optic
- Motion activation
- IPX7 / IP67 (1 m for 30 minutes) (maker: "IP67")
- Sig Sauer Romeo8T 1x38mm (SOR81002) 3 of 7 measures sourced
- Medium reliability reputation, medium confidence
- $799.99 list
- Battery access: unknown
- Motion activation
- Waterproof rating: unknown
- Sightmark Ultra Shot M-Spec (SM26034) 6 of 7 measures sourced
- Medium reliability reputation, low confidence
- $299.97 list
- Battery changes without removing the optic
- Motion activation
- Rated for immersion deeper than 1 m (maker: "IP68")
By weight (lightest first)
Maker-stated weight, lightest first. Makers do not all say whether the figure includes the battery; the configuration is shown on each row. Where several versions exist, the heaviest is used.
| Optic | Value | Source |
|---|---|---|
| Holosun HS510C Reflex Sight | 4.94 oz (configuration not stated) | maker / record |
| Sightmark Ultra Shot M-Spec (SM26034) | 9.6 oz (configuration not stated) | maker / record |
Not ranked, weight unknown: Sig Sauer Romeo8T 1x38mm (SOR81002).
By rated battery life
Each maker rates battery life at its own brightness setting, so figures are not comparable across makers. Optics are grouped in fixed bands and listed alphabetically within a band.
| Optic | Value | Source |
|---|---|---|
| Holosun HS510C Reflex Sight | 50,000 h rated | maker / record |
Not ranked, rated battery life unknown: Sig Sauer Romeo8T 1x38mm (SOR81002), Sightmark Ultra Shot M-Spec (SM26034).
By waterproofing
Grouped by the maker's published rating: immersion deeper than 1 m (deepest stated depth first), then IPX7/IP67, then splash ratings, then an unrated waterproof claim.
| Optic | Value | Source |
|---|---|---|
| Sightmark Ultra Shot M-Spec (SM26034) | Rated for immersion deeper than 1 m (maker: "IP68") | maker / record |
| Holosun HS510C Reflex Sight | IPX7 / IP67 (1 m for 30 minutes) (maker: "IP67") | maker / record |
Not ranked, waterproof rating unknown: Sig Sauer Romeo8T 1x38mm (SOR81002).
By list price (lowest first)
Maker list price in US dollars from the maker's own page, lowest version first.
| Optic | Value | Source |
|---|---|---|
| Sightmark Ultra Shot M-Spec (SM26034) | $299.97 list | maker / record |
| Holosun HS510C Reflex Sight | $364.69 list | maker / record |
| Sig Sauer Romeo8T 1x38mm (SOR81002) | $799.99 list | maker / record |
By warranty grade
The brand's warranty grade from our warranty comparison, which scores the published terms; brand level, not per model.
| Optic | Value | Source |
|---|---|---|
| Sig Sauer Romeo8T 1x38mm (SOR81002) | Sig Sauer warranty grade A | maker / record |
| Holosun HS510C Reflex Sight | Holosun warranty grade C | maker / record |
| Sightmark Ultra Shot M-Spec (SM26034) | Sightmark warranty grade D | maker / record |