Computed ranking

Open-emitter pistol red dots, ranked

18 current open-emitter pistol red dots we have reviewed, ranked by their sourced reliability evidence and list price, with tables for weight, battery life, waterproofing, list price and warranty below.

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  1. #1 Trijicon RMR Type 2 (RM06) 5 of 7 measures sourced
    • High reliability reputation, high confidence
    • $779 list
    • Optic must come off to change the battery
    • Motion activation: unknown
    • Rated for immersion deeper than 1 m: 20 m (maker: "Waterproof to 20 m (66 ft)")
  2. #2 Trijicon SRO (Specialized Reflex Optic) 6 of 7 measures sourced
    • High reliability reputation, high confidence
    • $822 list
    • Battery changes without removing the optic
    • No motion activation
    • Rated for immersion deeper than 1 m: 3 m (maker: "Submersible to 3 m (10 ft)")
  3. #3 Holosun HS407K-X2 7 of 7 measures sourced
    • High reliability reputation, medium confidence
    • $264.69 list
    • Battery changes without removing the optic
    • Motion activation
    • IPX7 / IP67 (1 m for 30 minutes) (maker: "IP67")
  4. #4 Trijicon RMRcc (CC06-C-3100001) 4 of 7 measures sourced
    • High reliability reputation, medium confidence
    • $734 list
    • Battery access: unknown
    • Motion activation: unknown
    • Rated for immersion deeper than 1 m: 20 m (maker: "Submersible to 20 m (66 ft)")
  5. #5 Holosun HS507K-X2 (HE507K-RD X2) 7 of 7 measures sourced
    • High reliability reputation, low confidence
    • $348.22 list
    • Battery changes without removing the optic
    • Motion activation
    • IPX7 / IP67 (1 m for 30 minutes) (maker: "IP67")
  6. #6 Holosun HE508T-RD X2 7 of 7 measures sourced
    • High reliability reputation, low confidence
    • $435.28 list
    • Battery changes without removing the optic
    • Motion activation
    • IPX7 / IP67 (1 m for 30 minutes) (maker: "IP67")
  7. #7 Swampfox Sentinel II Micro Red Dot 6 of 7 measures sourced
    • Medium reliability reputation, medium confidence
    • $229 list
    • Optic must come off to change the battery
    • Motion activation
    • IPX7 / IP67 (1 m for 30 minutes) (maker: "IPX7")
    • Medium reliability reputation, medium confidence
    • $429.99 list
    • Battery changes without removing the optic
    • Motion activation
    • IPX7 / IP67 (1 m for 30 minutes) (maker: "IPX7")
  8. #9 Sig Sauer Romeo2 (SOR21300, 3 MOA) 7 of 7 measures sourced
    • Medium reliability reputation, medium confidence
    • $599.99 list
    • Battery changes without removing the optic
    • Motion activation
    • IPX7 / IP67 (1 m for 30 minutes) (maker: "IPX7")
  9. #10 Trijicon RMR HD (RMHD2-C-3200002) 6 of 7 measures sourced
    • Medium reliability reputation, medium confidence
    • $1,019 list
    • Battery changes without removing the optic
    • No motion activation
    • Rated for immersion deeper than 1 m: 20 m (maker: "Submersible to 20 m (65 ft)")
  10. #11 Sig Sauer Romeo1 Pro 1x30mm 5 of 7 measures sourced
    • Medium reliability reputation, medium confidence
    • List price: unknown
    • Battery changes without removing the optic
    • Motion activation
    • IPX7 / IP67 (1 m for 30 minutes) (maker: "IPX7")
  11. #12 Holosun HE507C-GR X2 7 of 7 measures sourced
    • Medium reliability reputation, low confidence
    • $364.69 list
    • Battery changes without removing the optic
    • Motion activation
    • IPX7 / IP67 (1 m for 30 minutes) (maker: "IP67")
  12. #13 Holosun HE507COMP-GR 7 of 7 measures sourced
    • Medium reliability reputation, low confidence
    • $435.28 list
    • Battery changes without removing the optic
    • Motion activation
    • IPX7 / IP67 (1 m for 30 minutes) (maker: "IP67")
  13. #14 Burris FastFire 3 (300235) 6 of 7 measures sourced
    • Mixed reliability reputation, medium confidence
    • $288 list
    • Battery changes without removing the optic
    • No motion activation
    • Claimed waterproof, no rating or depth published (maker: "Waterproof")
  14. #15 Vortex Optics Viper Red Dot (VRD-6, 6 MOA) 6 of 7 measures sourced
    • Mixed reliability reputation, low confidence
    • $369.99 list
    • Optic must come off to change the battery
    • No motion activation
    • Waterproof rating: unknown
    • Mixed reliability reputation, low confidence
    • $429.99 list
    • Optic must come off to change the battery
    • No motion activation
    • IPX7 / IP67 (1 m for 30 minutes) (maker: "IP67")
  15. #17 Leupold DeltaPoint Pro Reflex Sight (119688) 6 of 7 measures sourced
    • Mixed reliability reputation, low confidence
    • $449.99 list
    • Battery changes without removing the optic
    • Motion activation
    • Waterproof rating: unknown
    • Mixed reliability reputation, low confidence
    • $699.99 list
    • Battery changes without removing the optic
    • Motion activation
    • IPX7 / IP67 (1 m for 30 minutes) (maker: "IPX7")

Best open-emitter pistol red dots listing from $200 to $500

  1. #1 Holosun HS407K-X2 7 of 7 measures sourced
    • High reliability reputation, medium confidence
    • $264.69 list
  2. #2 Holosun HS507K-X2 (HE507K-RD X2) 7 of 7 measures sourced
    • High reliability reputation, low confidence
    • $348.22 list
  3. #3 Holosun HE508T-RD X2 7 of 7 measures sourced
    • High reliability reputation, low confidence
    • $435.28 list
  4. #4 Swampfox Sentinel II Micro Red Dot 6 of 7 measures sourced
    • Medium reliability reputation, medium confidence
    • $229 list
    • Medium reliability reputation, medium confidence
    • $429.99 list
  5. #6 Holosun HE507C-GR X2 7 of 7 measures sourced
    • Medium reliability reputation, low confidence
    • $364.69 list
  6. #7 Holosun HE507COMP-GR 7 of 7 measures sourced
    • Medium reliability reputation, low confidence
    • $435.28 list
  7. #8 Burris FastFire 3 (300235) 6 of 7 measures sourced
    • Mixed reliability reputation, medium confidence
    • $288 list
  8. #9 Vortex Optics Viper Red Dot (VRD-6, 6 MOA) 6 of 7 measures sourced
    • Mixed reliability reputation, low confidence
    • $369.99 list
    • Mixed reliability reputation, low confidence
    • $429.99 list
  9. #11 Leupold DeltaPoint Pro Reflex Sight (119688) 6 of 7 measures sourced
    • Mixed reliability reputation, low confidence
    • $449.99 list

Best open-emitter pistol red dots listing above $500

  1. #1 Trijicon RMR Type 2 (RM06) 5 of 7 measures sourced
    • High reliability reputation, high confidence
    • $779 list
  2. #2 Trijicon SRO (Specialized Reflex Optic) 6 of 7 measures sourced
    • High reliability reputation, high confidence
    • $822 list
  3. #3 Trijicon RMRcc (CC06-C-3100001) 4 of 7 measures sourced
    • High reliability reputation, medium confidence
    • $734 list
  4. #4 Sig Sauer Romeo2 (SOR21300, 3 MOA) 7 of 7 measures sourced
    • Medium reliability reputation, medium confidence
    • $599.99 list
  5. #5 Trijicon RMR HD (RMHD2-C-3200002) 6 of 7 measures sourced
    • Medium reliability reputation, medium confidence
    • $1,019 list
    • Mixed reliability reputation, low confidence
    • $699.99 list

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.

#OpticValueSource
1 Shield Sights RMSc (Reflex Mini Sight Compact), Glass Lens 0.57 oz (configuration not stated) maker / record
2 Burris FastFire 3 (300235) 0.9 oz (sight only) maker / record
3 Swampfox Sentinel II Micro Red Dot 0.99 oz (configuration not stated) maker / record
4 Holosun HS407K-X2 1 oz (configuration not stated) maker / record
5 Holosun HS507K-X2 (HE507K-RD X2) 1 oz (configuration not stated) maker / record
6 Sig Sauer Romeo1 Pro 1x30mm 1 oz (sight only, without battery) maker / record
7 Trijicon RMRcc (CC06-C-3100001) 1 oz (configuration not stated) maker / record
8 Vortex Optics Viper Red Dot (VRD-6, 6 MOA) 1.03 oz (configuration not stated) maker / record
9 Sig Sauer Romeo3 Max Pro (SOR30300 / SOR30800) 1.1 oz (with battery) maker / record
10 Sig Sauer Romeo-X Pro Open Reflex (Circle Dot) 1.15 oz (with battery) maker / record
11 Trijicon RMR Type 2 (RM06) 1.2 oz (configuration not stated) maker / record
12 Holosun HE507C-GR X2 1.5 oz (configuration not stated) maker / record
13 Trijicon SRO (Specialized Reflex Optic) 1.6 oz (configuration not stated) maker / record
14 Trijicon RMR HD (RMHD2-C-3200002) 1.69 oz (configuration not stated) maker / record
15 Holosun HE507COMP-GR 1.7 oz (configuration not stated) maker / record
16 Leupold DeltaPoint Pro Reflex Sight (119688) 2 oz (configuration not stated) maker / record
17 Holosun HE508T-RD X2 2 oz (configuration not stated) maker / record
18 Sig Sauer Romeo2 (SOR21300, 3 MOA) 1.58 to 2.5 oz (full shroud, with battery) maker / record

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.

Not ranked, rated battery life unknown: Burris FastFire 3 (300235), Sig Sauer Romeo1 Pro 1x30mm, Sig Sauer Romeo3 Max Pro (SOR30300 / SOR30800), Swampfox Sentinel II Micro Red Dot, Trijicon RMR Type 2 (RM06), Trijicon RMR HD (RMHD2-C-3200002), Trijicon RMRcc (CC06-C-3100001), Trijicon SRO (Specialized Reflex Optic).

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.

#OpticValueSource
1 Trijicon RMR HD (RMHD2-C-3200002) Rated for immersion deeper than 1 m: 20 m (maker: "Submersible to 20 m (65 ft)") maker / record
2 Trijicon RMR Type 2 (RM06) Rated for immersion deeper than 1 m: 20 m (maker: "Waterproof to 20 m (66 ft)") maker / record
3 Trijicon RMRcc (CC06-C-3100001) Rated for immersion deeper than 1 m: 20 m (maker: "Submersible to 20 m (66 ft)") maker / record
4 Trijicon SRO (Specialized Reflex Optic) Rated for immersion deeper than 1 m: 3 m (maker: "Submersible to 3 m (10 ft)") maker / record
5 Holosun HE507C-GR X2 IPX7 / IP67 (1 m for 30 minutes) (maker: "IP67") maker / record
6 Holosun HE507COMP-GR IPX7 / IP67 (1 m for 30 minutes) (maker: "IP67") maker / record
7 Holosun HE508T-RD X2 IPX7 / IP67 (1 m for 30 minutes) (maker: "IP67") maker / record
8 Holosun HS407K-X2 IPX7 / IP67 (1 m for 30 minutes) (maker: "IP67") maker / record
9 Holosun HS507K-X2 (HE507K-RD X2) IPX7 / IP67 (1 m for 30 minutes) (maker: "IP67") maker / record
10 Shield Sights RMSc (Reflex Mini Sight Compact), Glass Lens IPX7 / IP67 (1 m for 30 minutes) (maker: "IP67") maker / record
11 Sig Sauer Romeo-X Pro Open Reflex (Circle Dot) IPX7 / IP67 (1 m for 30 minutes) (maker: "IPX7") maker / record
12 Sig Sauer Romeo1 Pro 1x30mm IPX7 / IP67 (1 m for 30 minutes) (maker: "IPX7") maker / record
13 Sig Sauer Romeo2 (SOR21300, 3 MOA) IPX7 / IP67 (1 m for 30 minutes) (maker: "IPX7") maker / record
14 Sig Sauer Romeo3 Max Pro (SOR30300 / SOR30800) IPX7 / IP67 (1 m for 30 minutes) (maker: "IPX7") maker / record
15 Swampfox Sentinel II Micro Red Dot IPX7 / IP67 (1 m for 30 minutes) (maker: "IPX7") maker / record
16 Burris FastFire 3 (300235) Claimed waterproof, no rating or depth published (maker: "Waterproof") maker / record

Not ranked, waterproof rating unknown: Leupold DeltaPoint Pro Reflex Sight (119688), Vortex Optics Viper Red Dot (VRD-6, 6 MOA).

By list price (lowest first)

Maker list price in US dollars from the maker's own page, lowest version first.

Not ranked, list price unknown: Sig Sauer Romeo1 Pro 1x30mm.

By warranty grade

The brand's warranty grade from our warranty comparison, which scores the published terms; brand level, not per model.

#OpticValueSource
1 Leupold DeltaPoint Pro Reflex Sight (119688) Leupold warranty grade A maker / record
2 Burris FastFire 3 (300235) Burris warranty grade A maker / record
3 Sig Sauer Romeo-X Pro Open Reflex (Circle Dot) Sig Sauer warranty grade A maker / record
4 Sig Sauer Romeo1 Pro 1x30mm Sig Sauer warranty grade A maker / record
5 Sig Sauer Romeo2 (SOR21300, 3 MOA) Sig Sauer warranty grade A maker / record
6 Sig Sauer Romeo3 Max Pro (SOR30300 / SOR30800) Sig Sauer warranty grade A maker / record
7 Vortex Optics Viper Red Dot (VRD-6, 6 MOA) Vortex Optics warranty grade A maker / record
8 Holosun HE507C-GR X2 Holosun warranty grade C maker / record
9 Holosun HE507COMP-GR Holosun warranty grade C maker / record
10 Holosun HE508T-RD X2 Holosun warranty grade C maker / record
11 Holosun HS407K-X2 Holosun warranty grade C maker / record
12 Holosun HS507K-X2 (HE507K-RD X2) Holosun warranty grade C maker / record
13 Trijicon RMR HD (RMHD2-C-3200002) Trijicon warranty grade C maker / record
14 Trijicon RMR Type 2 (RM06) Trijicon warranty grade C maker / record
15 Shield Sights RMSc (Reflex Mini Sight Compact), Glass Lens Shield Sights warranty grade C maker / record
16 Trijicon SRO (Specialized Reflex Optic) Trijicon warranty grade C maker / record
17 Trijicon RMRcc (CC06-C-3100001) Trijicon warranty grade C maker / record

Not ranked, warranty grade unknown: Swampfox Sentinel II Micro Red Dot.