The SIG Sauer ROMEO8H Red Dot Sight is a 1x (non-magnified) enclosed red dot sight with a 38 mm aperture and a selectable Ballistic Circle Dot reticle offering four modes — a 2 MOA dot inside a 65 MOA circle — running from a CR123A cell with over 100,000 hours of life.
The large 38 mm window is the reason to choose a ROMEO8-series sight over a compact micro dot: it gives a wide, uncluttered view that is easy to find under speed, and the enclosed housing keeps rain and debris off the emitter. MOTAC wakes the reticle on movement and shuts it down when the rifle is still.
How It Compares
Want a titanium shroud and night-vision settings? The ROMEO8T adds both. Want a solar-assisted version? The ROMEO4T runs solar plus CR2032. Prefer a lighter sight? The ROMEO4T-PRO weighs 7.4 oz. Browse the SIG ROMEO range, all enclosed red dot sights and optics for straight-pull rifles, or read enclosed vs open red dot sights.
Ideal For
- Civilian Service Rifle and practical rifle shooting
- Straight-pull AR-15 and lever-release rifles
- Practical shotgun and 3-Gun stages
- Wet British conditions where an enclosed emitter helps
Key Features
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Reticle: Ballistic Circle Dot, 4 selectable modes, red
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Dot / Circle: 2 MOA dot inside a 65 MOA circle
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Turrets: 0.5 MOA per click; ±70 MOA adjustment range
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Electronics: CR123A cell, over 100,000 hours, MOTAC motion activation
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Housing: 6061-T6 aluminium, IPX8 waterproof
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Weight: 10.3 oz (292 g)
Technical Specifications
| Magnification |
1x (non-magnified) |
| Aperture |
38 mm |
| Reticle |
Ballistic Circle Dot, 4 modes (red) |
| Dot / Circle |
2 MOA dot / 65 MOA circle |
| Click Value |
0.5 MOA per click |
| Adjustment Range |
±70 MOA |
| Battery |
CR123A (over 100,000 hours), MOTAC |
| Housing |
6061-T6 aluminium, IPX8 |
| Weight |
10.3 oz (292 g) |
| SKU / MPN / UPC |
SOR81001 / SOR81001 / 798681590636 |
What's Included
- SIG Sauer ROMEO8H red dot sight
- CR123A battery, mounting hardware, documentation
UK Delivery & Support
Imported from the USA, duty paid by us, and dispatched tracked from the UK — nothing to pay on delivery — backed by UK-based support.
Frequently Asked Questions
What reticle does the SIG Sauer ROMEO8H use?
The SIG Sauer ROMEO8H uses a Ballistic Circle Dot reticle in red with four selectable modes, built around a 2 MOA dot inside a 65 MOA circle.
What battery does the SIG Sauer ROMEO8H use?
The SIG Sauer ROMEO8H runs on a CR123A cell, rated at over 100,000 hours with MOTAC motion activation.
What is MOTAC on the SIG Sauer ROMEO8H?
MOTAC is SIG's motion-activated illumination: the SIG Sauer ROMEO8H switches the reticle on when it senses movement and powers down when the rifle is left still.
How big is the window on the SIG Sauer ROMEO8H?
The SIG Sauer ROMEO8H has a 38 mm aperture, which is considerably larger than a typical micro red dot.
How is the SIG Sauer ROMEO8H adjusted for zero?
The SIG Sauer ROMEO8H adjusts in 0.5 MOA per click, with a total range of ±70 MOA.
How much does the SIG Sauer ROMEO8H weigh?
The SIG Sauer ROMEO8H weighs 10.3 oz (292 g).
