SIG Sauer ROMEO5 Gen II Red Dot Sight 2 MOA Dot – SOR5101

The SIG Sauer ROMEO5 Gen II Red Dot Sight 2 MOA Dot is a SIG Sauer rifle dot sight with 2 MOA red dot reticle.

How It Compares

Compare with the SIG Sauer ROMEO5 Gen II, SIG Sauer ROMEO5 Gen II Elite and SIG Sauer ROMEO5 Gen II Elite (Quad Ballistic Circle Dot 2.0). Browse all red dot sights or SIG Sauer red dot sights.

Ideal For

• Fast target acquisition with the 2 MOA red dot reticle
• Both-eyes-open shooting, where irons slow you down
• Running on a CR2032 cell

Key Features

• Reticle: 2 MOA red dot (single fixed reticle; reticle selection is Elite-only)
• Adjustment Travel: 0.5 MOA per click; 100 MOA total elevation and windage travel
• Battery: CR2032, side-loading compartment on right side of sight (cap unscrews with coin/flathead/included multi-tool; battery replaceable without dismounting optic)
• Water Resistance: IPX-7 waterproof and fog-proof
• Weight: 5.5 oz / 155 g (standard models)
• Dimensions: Length 2.7 in / 69.7 mm; Width 1.6 in / 39.6 mm; Height 2.4 in / 61.5 mm
• Illumination Settings: 12 settings: 10 daylight + 2 night vision; top-mount ambidextrous +/- controls
• Motion Activation: Yes — MOTAC motion-activated illumination; auto-off after 120 seconds of inactivity, powers back on when motion is sensed

About This Model

• Reticle: 2 MOA red dot (single fixed reticle; reticle selection is Elite-only)
• Battery: CR2032, side-loading compartment on right side of sight (cap unscrews with coin/flathead/included multi-tool; battery replaceable without dismounting optic)
• Guarantee: SIG Sauer Infinite Guarantee; 5-year electronic component warranty

Technical Specifications

Warranty

SIG Sauer back this with their Infinite Guarantee — an unlimited lifetime guarantee against defects in material, workmanship and mechanical function. No warranty card, no receipt and no time limit, and it is fully transferable. Electronic components are additionally covered by SIG Sauer's five-year limited electronic component warranty, which runs from the date of manufacture.

US Shipping & Support

Shipped from D&R Sports Center in the USA with fast, tracked delivery. Questions on fit, mounting or which model suits your setup? Our team is glad to help before and after your purchase.

Frequently Asked Questions

Which reticle does it have?
2 MOA red dot (single fixed reticle; reticle selection is Elite-only).

What battery does it take?
CR2032, side-loading compartment on right side of sight (cap unscrews with coin/flathead/included multi-tool; battery replaceable without dismounting optic).

Is it waterproof?
IPX-7 waterproof and fog-proof.

What does it weigh?
5.5 oz / 155 g (standard models).

Is this a genuine SIG Sauer product?
Yes — factory-new SIG Sauer, supplied through US distribution. The part number is SOR5101 and the barcode is 798681694600.

What warranty does it carry?
SIG Sauer back this with their Infinite Guarantee — an unlimited lifetime guarantee against defects in material, workmanship and mechanical function. No warranty card, no receipt and no time limit, and it is fully transferable. Electronic components are additionally covered by SIG Sauer's five-year limited electronic component warranty, which runs from the date of manufacture.