FREE SHIPPING & FREE RETURNS*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
SIG SAUER OPMOD Romeo5 Compact 1x20mm Reflex Red Dot Sight
$219.99 $145.99 Save 34%
View Product
Compare (0)
Most Helpful Positive Review Best budget red dot
I have a few Romeo 5's and have been running them for years without trouble. They work great and I would trust my life to them. When I saw that optics planet had the OPMOD version, I just had to have one for my fde 300 blackout. I own aimpoints and think they're the best, but I can't afford to put t...
Read More...
Most Helpful Negative Review Sig opmod Romeo 5
Second one I've purchased before,but first fde model. One of the screw heads had a lot of the fde coating in it and the wrench wouldn't fully engage the screw head. The screw stripped out and I had to drill it out. I suggest buying the black one instead of this one. These are the best red dots f...
Read More...
Show
Sort by
Filter by

Little blurry

by William McCorquodale, Verified Owner from NC, United States Written on September 3, 2025
Love the color and texture of the sight but once you get to 5 on the dial for brightness it starts to get blurry and you can't go any further...
Would recommend: Yes
Was it helpful to you? Yes | No

Great red dot for the price.

by ARbuild, Verified Owner from MI, United States Written on August 31, 2025
This is a very nice red dot site for the price and the FDE color is great for matching other FDE components on an AR build.
Would recommend: Yes
Was it helpful to you? Yes | No

romeo 5 opmod

by chris, Verified Owner from DE, United States Written on August 26, 2025
clean looking sight and matches perfectly with my fde jakl in 5.56. Sig sights are all around a great sight
Pros:
  • Good pricing
  • color accuracy
Cons:
  • None
Would recommend: Yes
Was it helpful to you? Yes | No

great product

by chungo, Verified Owner from FL, United States Written on August 5, 2025
Great product if your on a budget. Optics works great for in door and out shooting
Would recommend: Yes
Was it helpful to you? Yes | No

Sig Romeo5

by Phillip Mendell, Verified Owner from OK, United States Written on July 13, 2025
Put it on a 22 LR sighted in at 25 yards, was hitting steel consistently at 100 yards. Very impressed with this little scope!
Would recommend: Yes
Was it helpful to you? Yes | No

Great little red dot.

by Traveler1125, Verified Owner from ID, United States Written on July 5, 2025
This is may second Romeo5. Just works well. Easy to see, use and zero. Both on AR15s with the Juliet 3. Perfect for 300 yard shooting in any light.
Pros:
  • Cost effective and good design
Cons:
  • None
Best Used for:
  • short to medium distance shooting. Great for a DMR set up.
Would recommend: Yes
Was it helpful to you? Yes | No

Sig Romeo5

by Gary, Verified Owner from FL, United States Written on July 1, 2025
This was my first purchase from Optics Planet and I was thoroughly pleased with the ordering process. Easy to navigate and my order was sent out immediately and received quickly, no issues experienced! I am a fan of the Sig Romeo as I have been using them for a couple of years on the range primarily, it has proven to be a dependable and durable optic. Can’t wait to put my new Romeo5 to the test!
Pros:
  • dependability
  • AFFORDABILITY
Cons:
  • Battery Housing Cap could be more durable
Best Used for:
  • home and range
Would recommend: Yes
Was it helpful to you? Yes | No

SIG SAUER OPMOD Romeo5 Compact 1x20mm Red Dot – Full Review

by Rome, Verified Owner from MO, United States Written on June 25, 2025
If you’re looking for a rugged, reliable, and affordable red dot sight, the SIG SAUER OPMOD Romeo5 Compact 1x20mm deserves a serious look. Whether you're building out a new rifle or upgrading your current setup, this optic punches above its price point.

✅ What I Loved:

Crystal-Clear Optics: The 1x20mm lens provides a clean, crisp sight picture with minimal distortion. Even in bright sunlight or low-light conditions, target acquisition stays sharp.

Motion Activated Illumination (MOTAC): One of its standout features. It powers on with motion and powers down when idle—saving battery life and giving you peace of mind it’s ready when you are.

Battery Life: With up to 40,000 hours of use on a single CR2032 battery, you’ll forget you even have to change it. Combine that with MOTAC and you're covered for the long haul.

Compact & Lightweight: At just a little over 5 oz., this thing won’t throw off your rifle’s balance. It’s slim, unobtrusive, and easy to mount using the included low- and co-witness riser mounts.

Durability: The OPMOD edition is built to take a beating. Waterproof (IPX-7 rated), fog-proof, and shockproof—it handles recoil like a champ and shrugs off the elements.

�️ What Could Be Better:

Brightness Adjustment Knob: While functional, it's a bit small and not the easiest to turn with gloves on.

No Lens Covers: A small gripe, but it would've been nice if flip-up lens caps came standard.

� Final Thoughts:

The SIG OPMOD Romeo5 delivers serious value. It’s feature...
Read More...
Would recommend: Yes
Was it helpful to you? Yes | No

Great red dot

by Dave, Verified Owner from NM, United States Written on June 21, 2025
Romeo 5 OPMOD red dot is easy to mount, easy to use and adjust. Great that it comes with both a high and low mount. Clear optic and precise red dot.
Pros:
  • High Quality Nice Color
  • reasonable price
Cons:
  • None
Best Used for:
  • AR platform or lever action rifle
Would recommend: Yes
Was it helpful to you? Yes | No

romeo5 red dot

by F.c., Verified Owner from CA, United States Written on June 21, 2025
I own 3 of these for my ar9s they are perfect look amazing definitely recommend especially for the price ....this was my first red dot i bought its been working good for 3 years so i bought 2 more
Would recommend: Yes
Was it helpful to you? Yes | No
There are no reviews that match your criteria. Would you like to review this product?