The sight was provided for review to the author by Shield Sights.

Shooters trust and appreciate the strong build construction and the crisp and accurate red dot of Shield optics.

However, there was a missing component within the Shield Sights line of pistol reflex optics.

In this photo, the author shows the battery drawer that is open on the Shield RMSd optic. The red dot sight is direct mounted to the slide of the Springfield Hellcat Pro. This is a micro red dot sight (also known as a micro RDS) that is parallax free and can withstand greater impact shock than standard glass optics with its hard dip coasted acrylic optic. This helps make it perfect for concealed carry.

The Shield RMSd, shown here, was tested by the author on a Springfield Armory Hellcat Pro 9mm pistol. The new battery drawer makes maintaining the red dot sight easy.

Namely, they required the optic to be removed when changing the battery.

Whats the Answer?

Enter the new Shield Sights RMSd.

Shown in this photo is the Hellcat Pro with the Shield RMSd and its 4 MOA red dot ready for testing on the range. Compact enough to be unobtrusive on any firearm, the RMSd is resilient enough to endure extreme recoil and so lightweight that its presence is barely noticeable. Crafted from durable aerospace-grade aluminum, it features an ultra-responsive automatic brightness adjustment that seamlessly adapts to varying environmental conditions, enabling you to focus solely on your target.

The RMSd mini red dot sight direct mounts to the slide of theHellcat Pro. This feature of the pistol allows you to bring the aiming dot closer in line with the bore of the pistol.

The Shield RMSd was inspired from the feedback received from customers.

In response, Shield Sights created the RMSd with a side-loading battery compartment.

The D in the RMSd stands for drawer.

The author handles the Hellcat Pro pistol in this photo. Mounted on the slide is the new Shield RMSd red dot sight that he is reviewing in this article. Its convenient quick-release battery compartment, accessible from the side, allows for hassle-free battery replacement without the need to remove the sight from the firearm.

The Shield RMSd red dot sight uses the same mounting footprint as the Springfield Micro optics footprint. This makes attaching the sight simple.

The sight body is made from aerospace grade aluminum and has an anodized matte black finish.

The optic provides auto-brightness adjustment and is available with either a 4 MOA or an 8 MOA red dot.

It uses a CR1632 battery which has an average lifespan of two years.

In this photo, you can see the battery compartment on the right side of the Shield RMSd. You can swap batteries without removing the optic from the pistol. The brightness adjustment on the RMSd is another standout feature. It automatically adjusts to the ambient light conditions. This range includes a lowest setting compatible with night vision devices and a highest setting that remains visible against the sky in bright daylight. This adaptability is crucial for a concealed carry optic, as it ensures optimal visibility in all lighting conditions.

In this photo, you can see the battery compartment on the right side of the Shield RMSd. You can swap batteries without removing the optic from the pistol.

There is a hole located on the left side of the optic near the lens.

Install a fresh CR1632 battery and push the tray back to its seated position and the swap is complete.

Watch the above video for details.

Shown in this photo is the author’s self-defense pistol with the Shield RMSd and its packaging. The exterior housing of the RMSd is made from aerospace-grade aluminum, and it’s finished in a matte black color. This not only gives it a sleek, professional look but also ensures durability and resistance to the wear and tear of daily carry. In terms of size and weight, the RMSd is incredibly compact and lightweight. Measuring just 42 x 25 x 23 mm (1.7 x 1.0 x 0.9 inches) and weighing only 17.5 grams (0.61 ounces), it adds negligible bulk to a personal protection pistol.

Shield uses a rugged aluminum housing for the Shield RMSd sight. This should give it enough strength to withstand most impacts it might experience when carried for self-defense.

Whats in the Case?

Shield Sights offers everything needed for the reflex optic install and sight in process.

The optic is protected by a removable rubber cover that works well when transporting the pistol/optic combination.

In this photo, the author is testing the red dot on the shooting range while shooting his Springfield Armory 9mm pistol. The lens of the RMSd is a reflex type with 1x magnification, ensuring a clear, true-to-life view. The low parallax and the coatings — Si02 Quartz and anti-reflection — enhance the clarity without any colored tint. It can be used on many other guns like the offerings from Glock, SIG Sauer and Smith & Wesson. The red dot performs well on the Springfield.

The author tested the RMSd on the range. Ensuring a red dot will work during shooting should be considered a minimum standard for anything used for self-defense.

There are two hex key wrenches.

Also included is a mini dial that some people find helpful when sighting in.

There is an optional mounting plate and two sets of screws with different heights depending on the users needs.

Shield Sights RMSd

Finally, a cleaning cloth and paperwork is also included in the case.

I mounted the optic on the Springfield Hellcat Pro Threaded.

I decided to go with a direct mount while using the shorter screws.

Hellcat® Pro OSP™ Threaded

From what I can tell, the 4 MOA red dot is perfectly aligned with the Hellcat Pros sights.

Range Time

The Springfield Armory Hellcat Pro Threaded and the Shield RMSd did everything just right.

The Shield RMSd was as fine a red dot as the other Shield Sights I own.

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The red dot was clear, the adjustments were crisp and the housing was strong and durable.

I truly enjoyed my range time with the handgun/optic combination.

Conclusion

The standout feature with the RMSd is the simple battery-swap function.

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Shield Sight found a way to make an existing optic superior with the drawer feature.

I believe the Shield RMSd will sell very well for Shield Sights.

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Shield SightsRMSd

HellcatPro OSPTM Threaded

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