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Steiner

Steiner MPS Micro Red Dot Sight

  • Mounting Type: RMSc
  • Reticle Type: 1.6 MOA
  • Field Of View: 1.6 Arc Minutes
  • Material Type: Hard-Anodized Class III Aluminum

Last refreshed Jun 22, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A compact, enclosed RMSc-footprint red dot built for carry pistols where sealed protection against debris matters more than magnification.

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ASIN: B0GSSGHZ7RCategory: Handgun Scopes

Overview

Weighing just 1.13 oz, the Steiner MPS-C is a fully enclosed micro red dot sight built on an RMSc footprint for slimline carry pistols, with a 1.6 MOA dot and 11 brightness levels. Despite the Handgun Scopes category label, this is a red dot sight, not a magnified scope.

Steiner sells this as an enclosed-emitter optic, meaning the laser sits behind a sealed window rather than an open reflector, which is meant to keep water, dust and dirt out of the light path. Shake-awake motion sensing and a claimed 13,000 hour battery life at medium brightness are aimed at carry use where the optic sits holstered for long stretches between range trips.

  • 1.6 MOA dot, 11 brightness levels
  • 1.13 oz, RMSc footprint
  • Fully enclosed, sealed emitter
  • Shake-awake, up to 13,000 hour battery life

Who it's for

Concealed carry and duty pistol owners who want a compact, enclosed red dot with an RMSc footprint. Not intended as a magnified sight for rifle-length engagement distances despite where the catalog files it.

Pros and cons

Pros
  • Enclosed emitter resists water, dust and dirt in the light path
  • Light at 1.13 oz for all-day carry
  • RMSc footprint fits common slimline pistol cuts
  • Shake-awake with long claimed battery life
Cons
  • No magnification, so it will not suit longer defensive or duty distances beyond typical pistol range
  • Only a couple of ratings on file so far

Performance notes

The enclosed emitter design routes the laser behind a sealed window, which is meant to keep the dot visible even if the front lens picks up rain, sweat or dust that would blind an open reflex sight. Shake-awake activates the optic on movement and shuts it off automatically after 13 hours of inactivity to preserve the battery.

Specifications

BrandSteiner
Dimensions & fit
Item Weight0.07 pounds
Item Display Weight0.07 pounds
Item Dimensions L x W x H1.5 × 1.3 × 1.1 inches
Construction & materials
Material TypeHard-Anodized Class III Aluminum
ColorBlack
Compatibility & installation
Mounting TypeRMSc
Compatible DevicesHandgun
Included components
Unit Count1
Included ComponentsRed Dot Sight
Warranty & support
Warranty DescriptionLifetime
Other details
Reticle Type1.6 MOA
Field Of View1.6 Arc Minutes
Sport TypeAirsoft, Hunting, Paintball, Shooting
Product StyleRed Dot Sight
Item Type NameHandgun Sight

Closest rivals on specs

C+H MAX Pistol Red Dot Sight
  • Item Display Weight 0.07 vs 0.1 pounds (-30%)
  • Item Weight 0.07 vs 0.1 pounds (-30%)
C+H Duty XL Enclosed Pistol Red Dot Sight
  • Item Display Weight 0.07 vs 0.16 pounds (-56%)
  • Item Weight 0.07 vs 0.16 pounds (-56%)
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Frequently asked questions

What footprint does the Steiner MPS-C use?

It uses the RMSc footprint, designed for slimline carry pistols with that cut.

Is the Steiner MPS-C an enclosed or open emitter red dot?

It is fully enclosed, with the laser sealed behind a window to keep out water, dust and dirt.

How long does the battery last?

Steiner states up to 13,000 hours at medium brightness, with a 13-hour auto-off timer when the optic is not moved.