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
Shield Sights RMSx Compact 1x Reflex Mini Red Dot Sight XL Lens
As Low As $359.99 Save Up to 27%
View Product
Compare (0)
Most Helpful Positive Review Rmsx dot!!
I love this dot!!! The biggest window on any micro. Very visible dot. Only down side is bottom battery but oh well.
Most Helpful Negative Review Shield sight failure
The lens fell out after ten rounds! The review says to tell more about the product but there is nothing else to say.
Show
Sort by
Filter by

Battery life is horrible, like really bad!

by DrAK, from OK, United States Written on January 3, 2026
The manual says 1-3 years with normal use.....not even close. I use the rubber cover (to keep it in low light, plus its in a dark safe) anytime in not shooting and I've now gone through 3 battery's in less than 9 months. The battery is underneath, so you have to remove the optic every time and then rezero it, over and over. The super small allen head screws you have to get right on the border of stripping to get the sight to stay tight when shooting (plus lok tight...). Its a nightmare compared to the US made stuff. European trash, honesty. The window is large and nice for new shooters, but not worth the dismal battery life. I'll never buy a Shield sight again. Other than this is have Aimpoints, acro p2s, t2s,, MROs, rmr, rmr hd, holosuns, eps carrys, 507s, ect. Sig m17 optics. I have basically everything and this is the absolute worst optic I own, period.
Pros:
  • Big Window
Cons:
  • Battery Life
  • comes loose easily.
  • Battery location is under the sight
  • small allen screws
  • horrible battery life, worst ever
Best Used for:
  • people that like to change batteries
  • those who like to rezero optics constantly.
  • light range use?
Would recommend: No
Was it helpful to you? Yes | No

Battery life is horrible, like really bad!

by DrAK, from OK, United States Written on January 3, 2026
The manual says 1-3 years with normal use.....not even close. I use the rubber cover (to keep it in low light, plus its in a dark safe) anytime in not shooting and I've now gone through 3 battery's in less than 9 months. The battery is underneath, so you have to remove the optic every time and then rezero it, over and over. The super small allen head screws you have to get right on the border of stripping to get the sight to stay tight when shooting (plus lok tight...). Its a nightmare compared to the US made stuff. European trash, honesty. The window is large and nice for new shooters, but not worth the dismal battery life. I'll never buy a Shield sight again. Other than this is have Aimpoints, acro p2s, t2s,, MROs, rmr, rmr hd, holosuns, eps carrys, 507s, ect. Sig m17 optics. I have basically everything and this is the absolute worst optic I own, period.
Pros:
  • Big Window
Cons:
  • Battery Life
  • comes loose easily.
  • Battery location is under the sight
  • small allen screws
  • horrible battery life, worst ever
Best Used for:
  • people that like to change batteries
  • those who like to rezero optics constantly.
  • light range use?
Would recommend: No
Was it helpful to you? Yes | No

RMSx Red Dot

by Albert, Verified Owner from KS, United States Written on October 15, 2025
Great item in little package. No issues so far. Stays on with no issue while firing.
Would recommend: Yes
Was it helpful to you? Yes | No

Albert RMSX

by Albert, Verified Owner from KS, United States Written on October 2, 2025
Perfect sight for my pistol awesome field of view and great quality!
Would recommend: Yes
Was it helpful to you? Yes | No

Perfect for G47 MOS

by yturan, Verified Owner from FL, United States Written on August 7, 2025
I was looking for something with a larger window, and this is my 2nd shield red dot. lightweight and great quality, along with Optics Plane's great service....Despite my astigmatism , the dot is clear and crisp
Pros:
  • clear glass
  • Crisp Red Dot
  • Lightweght
Cons:
  • None
Best Used for:
  • Target shooting
  • matches
  • Range fun
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?