Sig Sauer Romeo MSR Red Dot Gen II Optic
In stock
- SKU
- SORMSR101
Description
Romeo MSR Gen II
The Sig Sauer Romeo MSR Gen II is a compact 1x red dot sight built for the AR-15 and other modern sporting rifles (MSRs). A red dot puts a single illuminated aiming point in the window, so you keep both eyes open, put the dot on the target and shoot, without lining up front and rear sights. It ships on its own riser mount, ready to clamp onto a rifle's top rail, and it suits home-defense carbines, range rifles and anyone fitting a first optic.
Features
- 2 MOA Red Dot — The dot covers 2 MOA (minute of angle, about 2 inches at 100 yards), small enough for precise shots and still quick to find.
- 1x20mm Optic — True 1x magnification and a 20mm objective lens give an unmagnified view through a clear, round window.
- 12 Brightness Settings — The side-mounted rotary dial offers 10 daylight settings and 2 night vision compatible settings, with OFF positions between them.
- 40,000-Hour Battery Life — A single CR2032 coin-cell battery powers the dot for a rated 40,000 hours.
- IPX7 Waterproof — The IPX7 rating means the sight is sealed against temporary submersion, so rain and wet conditions are not a concern.
- Parallax-Free Design — The dot stays on your point of aim even when your eye is not perfectly centered behind the window.
- 100 MOA Adjustment Travel — Windage and elevation turrets move in 1 MOA clicks across 100 MOA of travel for zeroing the sight to your rifle.
- See-Through Picatinny Riser — The included riser clamps to any Picatinny (M1913) rail and has an open window at its base, so you can co-witness iron sights through the optic.
- Spectracoat And Lenshield Coatings — Lens coatings cut glare and help protect the glass from scratches and fouling.
Build And Fit
The housing is aluminum with a black finish and weighs 5.7 oz. It measures about 2.7 in long, 1.8 in wide and 2.5 in tall (69.7 x 44.8 x 62.9 mm) including the mount. The riser puts the optic 1.41 in above the rail, a standard height for AR-pattern rifles, and a Torx cross-bolt secures it to the rail. Sig Sauer part number SORMSR101.
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Customer Reviews
Top customer reviews
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Gen II Is a Massive Leap Over the OriginalOkay so i've been running Sig dots for a while now Romeo 5 on my home defense AR, a Romeo 7 on a fun gun, and I grabbed the original MSR when it first dropped and was pretty underwhelmed. The Gen II is honestly a different optic entirely. The glass clarity with the SpectraCoat is noticeably better, the 2 MOA dot is crisp, and Sig bumped the battery life from 20k to 35,000 hours which is insane for a sub-$100 red dot. It uses a standard CR2032 so no hunting for weird batteries. Mount is Aimpoint Micro footprint so you can swap in a Scalarworks or ADM if the included single-bolt mount isn't your thing (the stock mount works fine tbh, just torque it properly). I was comparing this against a Holosun 403C a buddy has and honestly the glass is comparable, maybe a slight edge to the Holosun on blue tint but the Sig's LensArmor coating seems more scratch resistant. The 10 daylight + 2 NV brightness settings cover everything I need. Only real knock is no MOTAC like the Romeo 5, so you gotta remember to turn it off... but with 35k hours who cares. Sig's Infinite Guarantee is fully transferable with no receipt which is a huge plus if you ever sell.
Incredible battery life at 35,000 hours
Aimpoint Micro compatible mount
SpectraCoat glass clarity is excellent for the priceNo MOTAC auto-on/off feature
Rotary brightness dial is stiff out of the box
Single bolt mount could be beefier