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Questions & Answers
Can this mount to Sig P320? Expert Answer

The Steiner MPS Micro Pistol Sight uses the ACRO mounting footprint and has a compatible Docter/Noblex mounting plate adapter. It will not mount to the Sig P320 optics ready models.

by Hunter, Gear Expert, September 12, 2022
Will this mount on a Springfield Armour XD M Elite OSP?

yes you will need the aimpoint acro plate for the XDM OSP

by mech289, Verified Owner, March 26, 2022
Customer Reviews
Expert Review
Another Great Closed Emitter Optic by Matt S., Gear Expert, February 17, 2022
Really great to see Steiner taking the pistol mounted red dot category seriously. Closed emitter optics offer a little extra protection from the elements which is nice to have whether you carry concealed or on duty. I had a slide set up for the ACR...
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16/16 found this helpful
Helpful Positive Review
Excellent optic by Ted, September 6, 2022
I don’t get the one star reviews running around on these optics. I run them for duty use and they’re excellent and tough. If there’s some warranty issues going on, I believe Steiner is good for it, I’d be curious though. I’ve purchased five so far an...
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5/5 found this helpful
Helpful Positive Review
shotgun a300 by sunbelt, Verified Owner, October 24, 2023
works great on my Beretta a300 patrol shotgun mounted on a reptilia mount which allows me to co witness with the iron sights.
4/4 found this helpful
Helpful Positive Review
steiner mps by Reggie Broen, Verified Owner, March 18, 2024
I installed the MPS with a Reptilian mount on a Beretta A300 Ultima Patrol and it ran great! Co witness with the ghost sites perfectly, I also want to point out that it came sighted in out to 20 yards spot on. I made no adjustments , Glass was clear ...
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1/1 found this helpful
Helpful Positive Review
Best Red Dot Ever by Oliver, Verified Owner, October 23, 2024
I like the MPS so much that I purchased 3 so far. The red dot is very crisp. I use it on my Glock 19X MOS and on my beretta 1301 shotgun (Beretta makes a co-witness mount for the A300/A1301)
1/1 found this helpful
Helpful Positive Review
German Engineering at its best by Mule, Verified Owner, August 10, 2025
The Steiner MPS is a solid pistol Red Dot and just as solid and reliable on a Shotgun. I have it on my Benelli M4 and it has sustained the massive recoil and abuse that a shotgun can put on a Red Dot.
1/1 found this helpful
Read All 34 Reviews
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Product Info for Steiner MPS Micro Red Dot Sight- 3.3 MOA Dot Fully Enclosed with 1x Magnification, Waterproof and Shockproof, ACRO Footprint, Heritage Warranty

The Steiner MPS Micro Pistol Sight is a rugged red dot sight for handguns that has a 3.3 MOA red dot and 1x magnification for rapid target acquisition. These Red Dot Sights features all-metal construction and enhanced sidewalls that result in an enclosed emitter for maximum durability. While tough, this Steiner Micro Pistol Sight is compact and lightweight for unhindered mobility.image

The Steiner MPS Micro Pistol Sight stands out as a robust red dot sight specifically designed for handguns, offering a 3.3 MOA red dot and 1x magnification to facilitate rapid target acquisition. This compact and lightweight sight is engineered with a focus on durability, featuring all-metal construction and enhanced sidewalls that create an enclosed emitter, ensuring maximum resilience in the face of challenging conditions.

Despite its rugged build, the Steiner Micro Pistol Sight remains convenient for users on the move, providing unhindered mobility. The sight boasts eight brightness levels, including two designed for night vision compatibility, allowing users to acquire targets in various lighting conditions easily. This versatility makes it a reliable choice for users in both daytime and low-light scenarios.

Designed for both-eyes-open shooting, the Steiner Micro Pistol Sight is an excellent duty-use option. The advantage of keeping both eyes open is that it enhances situational awareness and target engagement speed, making it a valuable tool for professionals in the field.

The Steiner MPS is compatible with most optic-ready pistols using Aimpoint ACRO base plate adapters. This adaptability makes it easier for users to integrate the sight into their existing setups.

Whether in the field or range, the Steiner MPS Micro Pistol Sight is designed to improve vision and target acquisition. Its combination of durability, compact design, and versatile brightness levels makes it a reliable companion for those who demand precision and quick target engagement in their shooting activities. To enhance your shooting experience, consider ordering the Steiner MPS today and enjoy the benefits of a high-quality red dot sight on your handgun.

With eight brightness levels, including two for night vision compatibility, you can easily and quickly acquire targets in any lighting condition. This optic is designed for both-eyes-open shooting, making it an excellent choice for duty use. Each sight is compatible with most optic-ready pistols using Aimpoint ACRO base plate adapters. Order your Steiner MPS today to improve your vision and target acquisition in the field or at the range.

WARNING: California`s Proposition 65

Specifications for Steiner MPS Micro Red Dot Sight- 3.3 MOA Dot Fully Enclosed with 1x Magnification, Waterproof and Shockproof, ACRO Footprint, Heritage Warranty:

Manufacturer: Steiner
Magnification: 1 x
Objective Window Size: 0.63 x 0.83 in
Reticle: 3.3 MOA
Illumination Color: Red
Adjustment Type: MOA
Emitter Type: Open
Parallax: 10-150
Battery Type: CR1632
Battery Life: 13000 hours
Operating Temperature: -40 - 140 Fahrenheit
Water Resistance Level: Waterproof
Fogproof: Yes
Length: 2.17 in
Weight: 2.05 oz
Included Accessories: Standard
Magnification Type: Fixed
Quantity: 1
Red Dot Sights-Footprint: Aim Point Acro

Features of Steiner MPS Micro Red Dot Sight- 3.3 MOA Dot Fully Enclosed with 1x Magnification, Waterproof and Shockproof, ACRO Footprint, Heritage Warranty:

  • MPS MICRO PISTOL SIGHT - Incredibly compact and lightweight at only 2.05 ounces while offering Steiner quality glass and a robust feature set; Features include 8 brightness levels, auto-off after 13 hours and 13,000 hours of battery life
  • BATTLE PROVEN DURABILITY - The MPS boasts an enhanced extra side wall that produces a best-in-class shock rating. The completely enclosed laser emitter is water pressure tight making it reliable in the harshest environments and any weather condition. All-metal construction and enhanced sidewalls completely seal in the emitter. A recessed window with a metal hood blocks objects from reaching the front lens making this one of the toughest pistol sights ever created.
  • TRUE 1X - magnification offers a wide field of view for both eyes open operation and complete situational awareness; 3.3 MOA red dot
  • ACRO FOOTPRINT - The MPS is designed to fit an ACRO footprint and is compatible with most optic-ready pistols using ACRO baseplate adapters
  • BATTERY LIFE - With an impressive 13,000 hours of battery life, the MPS stands at the top of its class. The easily accessible battery compartment allows for changing the battery without dismounting the MPS from the gun. A flashing red light indicates low battery
  • HERITAGE WARRANTY - We stand behind our products. Period! We will repair/replace defective products at no charge for the lifetime of the product. Warranty does not cover damage, loss or theft
  • DAYLIGHT BRIGHT DOT - With 8 brightness settings (including two for night vision), easy management is facilitated by the ergonomic raised button on the optic's side. The 3.3 MOA dot ensures fast and smooth target acquisition in any condition

Package Contents:

  • Steiner MPS Micro Red Dot Sight- 3.3 MOA Dot Fully Enclosed with 1x Magnification, Waterproof and Shockproof, ACRO Footprint, Heritage Warranty

Steiner MPS Micro Red Dot Sight- 3.3 MOA Dot Fully Enclosed with 1x Magnification, Waterproof and Shockproof, ACRO Footprint, Heritage Warranty Orderable Models

List of Orderable Models

  • Steiner Micro Pistol Red Dot Sight, 1x, 3.3 MOA, Black, 8700-MPS , MPN: 8700-MPS , UPC: 840229105571 , Code: ST-RD-ST0728-8700-MPS
  • Refurbished, Steiner Micro Pistol Red Dot Sight, 1x, 3.3 MOA, Black, 8700-MPS , MPN: 8700-MPS-REFURB , Code: ST-RD-ST0728-8700-MPS-REFURB
  • Steiner Micro Pistol Red Dot Sight, Flat Dark Earth, 8700-MPSFDE , MPN: 8700-MPSFDE , UPC: 840229106332 , Code: ST-RD-ST0728-8700-MPSFDE

Steiner MPS Micro Red Dot Sight- 3.3 MOA Dot Fully Enclosed with 1x Magnification, Waterproof and Shockproof, ACRO Footprint, Heritage Warranty Unavailable & Discontinued Models

List of Unorderable Models

  • USED, Steiner Micro Pistol Red Dot Sight, 1x, 3.3 MOA, Black, 8700-MPS , MPN: 8700-MPS-EDEMO , Code: ST-RD-ST0728-8700-MPS-EDEMO-RE-C
  • USED, Steiner Micro Pistol Red Dot Sight, 1x, 3.3 MOA, Black, 8700-MPS , MPN: 8700-MPS-EDEMO , Code: ST-RD-ST0728-8700-MPS-EDEMO-RE-B
  • DEMO, Steiner MPS Micro Pistol Sight, 1x, 3.3 MOA, Black, 8700-MPS , MPN: 8700-MPS-DEMO , Code: ST-RD-ST0728-8700-MPS-DEMO
  • USED Steiner Micro Pistol Red Dot Sight, 1x, 3.3 MOA, Black, 8700-MPS, EDEMO9, Used, Condition Like New , MPN: 8700-MPS-EDEMO9 , Code: ST-RD-ST0728-8700-MPS-EDEMO9
  • Refurbished, Steiner Micro Pistol Red Dot Sight, Flat Dark Earth, 8700-MPSFDE , MPN: 8700-MPSFDE-REFURB , Code: ST-RD-ST0728-8700-MPSFDE-REFURB
  • USED, Steiner Micro Pistol Red Dot Sight, Flat Dark Earth, 8700-MPSFDE , MPN: 8700-MPSFDE-EDEMO , Code: ST-RD-ST0728-8700-MPSFDE-EDEMO-RE-B
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