AT3 Tactical ACE Pistol 3 MOA Red Dot Sight - RMR Footprint - 2 Dot Colors

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AT3™ ALPHA Micro 2 MOA Red Dot Sight - Shake Awake - Cantilever Riser Mount

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AT3 Tactical ACE Pistol Red Dot: RMR Footprint with Shake Awake and Auto Brightness

Features

RMR footprint for universal pistol compatibility
Shake Awake technology with 5-minute auto-off
Auto brightness mode adjusts to ambient light
3 MOA precision dot
12 brightness settings – 10 daylight, 2 night vision
50,000 hour battery life on single CR2032
7075 aluminum construction
IPX7 waterproof rating
Shockproof to 1,200 G (5,000 repetitions)
Parallax-free with infinite eye relief
100 MOA adjustment range with 1 MOA clicks
Night vision compatible
Includes mounting screws for Glock, S&W M&P, FN 509, and Picatinny mounts
1 degree shim plate included
Available in red or green reticle

The AT3 ACE pistol red dot solves the always-on battery drain problem with Shake Awake technology that powers on with movement and auto-shuts off after 5 minutes of inactivity. This optic works well for carry pistols where you need instant activation without manual buttons, competition guns requiring fast target acquisition, and duty sidearms needing 50,000 hours of battery life. The RMR footprint fits most modern pistol cuts while auto brightness adjusts to lighting conditions automatically – bringing smart features to your pistol optic without the premium price of competitors.

Watch video: AT3 Tactical ACE Pistol 3 MOA Red Dot Sight – RMR Footprint

Specifications

Brand: AT3 Tactical
Model: ACE Pistol Red Dot Sight
Footprint: RMR (Direct Mount)
Reticle: 3 MOA Dot
Objective Lens: 22mm x 17mm
Length: 1.98″
Width: 1.17″
Height: 1.08″
Weight: 1.35 oz (with battery and cover)
Material: 7075 Aluminum
Finish: Matte Black Anodized
Adjustment Range: 100 MOA
Click Value: 1 MOA
Eye Relief: Infinite
Parallax: Fixed, Parallax-Free
Battery: CR2032
Battery Life: 50,000 Hours
Brightness Settings: 12 (10 Daylight + 2 Night Vision)
Shake Awake: Yes (5-Minute Auto-Off)
Auto Brightness: Yes
Night Vision Compatible: Yes
Waterproof: IPX7
Shockproof: 1,200 G (5,000 Repetitions)
Mount Screw Torque: 10-12 inch-pounds
Available Colors:
- Red Reticle (MPN: AT3-ACE-0)
- Green Reticle (MPN: AT3-ACE-GRN-0)

What’s Included

1x ACE red dot sight
1x 1-degree shim plate
1x Windage/elevation/battery cap tool
1x T10 Torx key
1x Lens wipe
5x Sets of mounting screws (4-40x.025″, M3.5×0.6 for Picatinny, 6-32 for S&W M&P, 6-40 for FN 509, 6-32 for Glock)

RMR Optic Firearm Compatibility

This optics compatibility chart is continuously updated based on the latest available information, but firearm and optics platforms evolve rapidly. If you notice your firearm isn’t listed below, please reach out to us directly: Contact Us.

RMR Footprint Compatibility Notes:
– Direct Mount: Mounts Directly to Slide
– Mounting Plate Required: Purchased Separately
– Mounts with Factory Adapter Plate: Included With New Firearm Purchase

AREX

Mounts with Factory Adapter Plate:
AREX Delta Gen.2 Optics Ready, AREX Zero 1 Tactical

BERETTA

Mounting Plate Required:
APX A1 Full Size RDO, APX A1 Tactical, M9A4, 92X RDO, 92X Performance RDO, 92XI Optics Ready Models, 90 Series RDO Models

CANIK

Mounts with Factory Adapter Plate:
TP9SFX, SFX Rival, SFX Rival-S

CZ / DAN WESSON

Mounting Plate Required:
CZ P-10 C Optics Ready, CZ P-10 F Optics Ready, CZ P-10 S Optics Ready, CZ Shadow 2 Optics Ready, Dan Wesson DWX Optics Ready

Mounts with Factory Adapter Plate:
FN 509 MRD, FN 509 Compact MRD, FN 509 Midsize MRD, FN 509 Fullsize MRD, FN 509 Tactical, FN 509 Compact Tactical, FN 509 Compact MRD Comp, FN 502 MRD, FN 502 Tactical, FN 510 MRD, FN 510 Tactical, FN 545 MRD, FN 545 Tactical, FN Five-seveN MRD, FNX-45 Tactical, FN 309 MRD

GLOCK MOS

Mounts with Factory Adapter Plate:
G17 Gen5 MOS, G19 Gen5 MOS, G19X MOS, G20 Gen5 MOS, G21 Gen5 MOS, G22 Gen5 MOS, G23 Gen5 MOS, G26 Gen5 MOS, G29 Gen5 MOS, G30 Gen5 MOS, G34 Gen5 MOS, G40 Gen4 MOS, G41 Gen4 MOS, G45 MOS, G47 MOS, G49 MOS, G17L Gen5 MOS

Gen 4 Legacy / Limited-Availability MOS Models:
G17 Gen4 MOS, G19 Gen4 MOS, G34 Gen4 MOS, G35 Gen4 MOS

HECKLER & KOCH / HK

Mounting Plate Required:
VP9 Optics Ready, VP9A1 F, VP9A1 K, VP9A1 L, VP9A1 X, VP9L OR, VP9 Match

IWI

Mounts with Factory Adapter Plate:
IWI Masada, IWI Masada Tactical

KIMBER

Mounts with Factory Adapter Plate:
Kimber 2K11 OR, 2K11 Target OR, 2K11 Stainless Target OR, 2K11 Pro OR

PSA

Direct Mount:
PSA Dagger Compact RMR Cut, PSA Dagger Full Size-S RMR Cut, PSA Dagger Full Size-SX RMR Cut, PSA Sabre Dagger RMR Cut

RUGER

Direct Mount:
Ruger RXM

SHADOW SYSTEMS

Direct Mount:
MR920, MR920L, XR920, DR920, DR920P, DR920L, Foundation Series MR920, Foundation Series XR920, Foundation Series DR920

SIG SAUER

Direct Mount / Factory Optic-Ready Cut:
P320 AXG Legion, P320 AXG Carry, P320 AXG Classic, P320 XFIVE Legion, P320 DH3, other P320 slides specifically marked by SIG as RMR-compatible

Mounting Plate Required:
P226-XFIVE, P226-XFIVE Legion, P226X Legion, P229 Optics Ready Legion variants when using the correct RMR plate

SMITH & WESSON

Mounts with Factory Adapter Plate:
M&P9 M2.0 Optics Ready Full Size, M&P9 M2.0 Optics Ready Compact, M&P9 M2.0 Metal Optics Ready, M&P9 M2.0 Metal Carry Comp, M&P9 M2.0 Competitor, M&P9 M2.0 Carry Comp Optics Ready, M&P10mm M2.0 Optics Ready, M&P Performance Center C.O.R.E. Models, M&P M2.0 Optics Ready slide kits cut for Trijicon RMR

SPRINGFIELD ARMORY

Direct Mount:
Echelon, Echelon Comp, Echelon 4.0C, other Echelon VIS models

Mounting Plate Required:
XD-M Elite OSP, XD-M OSP, XD OSP, 1911 DS Prodigy AOS, 1911 AOS models

STACCATO

Mounting Plate Required:
Staccato C, Staccato C2, Staccato CS, Staccato P, Staccato XC, Staccato XL, and other Dawson Precision Optic / DPO-equipped Staccato pistols

TAURUS

Mounts with Factory Adapter Plate:
G3 Tactical T.O.R.O., G3 T.O.R.O., G3C T.O.R.O., TX22 Competition, TX22 Competition SCR

WALTHER

Mounting Plate Required:
PDP Full Size, PDP Compact, PDP F-Series, PDP Pro SD, PDP Match, PDP Steel Frame, PDP Pro-X, PDP Pro-E, Q4 SF Optics Ready, Q5 Match Optics Ready, Q5 Match Steel Frame Optics Ready

All 2 options on this page

AT3 Tactical ACE Pistol 3 MOA Red Dot Sight - RMR Footprint - 2 Dot Colors - Reticle Color: Red | SKU: AT3-ACE-0
AT3 Tactical ACE Pistol 3 MOA Red Dot Sight - RMR Footprint - 2 Dot Colors - Reticle Color: Green | SKU: AT3-ACE-GRN-0

For the money, how can you argue? It’s slightly longer that some other so make sure about your fit if isn’t listed but again for a third of the price!!! Nice and bright and zeroed easily and holds so far.

This is the second AT3 Tactical RD I have purchased. The first one is 2 years old and still works great, It's on my EDC so it does get some bumping around. These are great RDs for the money, I'd even put it up against a $400 RD. Alvin in customer service is great, too. He answered my email within a couple of hours with even faster follow-up responses.

Great dot, only have 500 rounds through it on the RXM.
Dot is clear, even with my astigmatism.
Thanks Guys for another great product.

Starting off with how nice the dot is, it's sharp, it's round, it's got really great clarity & brightness settings. It's not expensive. One of my favorite parts is how it's built aesthetically, sharp edges, bulky design without being bulky, nice big window. Easy to sight in, easy to see & use.
I don't have a ton of hours through this thing, but with the green, I am enjoying! Great price for a great product! (Social media guy is super cool btw)

Pretty solid red dot, held up at the range, only down side is it looks like the coating on the glass didn’t make it to the edges or something, it isn’t that noticeable when shooting but if you look through it at something bright it is noticeable.

AT3 Tactical · Thanks for the feedback, Connor—we're glad the ACE Pistol Red Dot held up solidly at the range, and we're sorry about the coating issue on the edges; please reach out to support so we can make it right!

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Backed by the AT3 Lifetime Warranty!

All AT3 Tactical Brand Products carry a lifetime warranty against manufacturer’s defects.

This includes AT3 Red Dot Sights, Handguards, Iron Sights, and any other product that carries the “AT3 Tactical” or “AT3™” name. For other brands (ex. Magpul or Troy), please refer to the manufacturer’s warranty policy.

In the event that your AT3™ product becomes unusable, we will repair or replace the product at no charge to you.

If we cannot repair your product, we will replace it with a product in perfect working order of equal or better physical condition. The warranty is fully transferable, but we may require information about the original purchase to validate the authenticity of the product.

If your product is in need of warranty service, please contact AT3 Tactical to start the process

Our contact info is available here. To expedite processing, please provide your order information and description of the defect.

Please note: The AT3 Lifetime Warranty does not cover loss, theft, intentional damage or cosmetic damage that doesn’t affect the performance of the product.

90-day no-hassle returns

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

(1)

AT3 Tactical ACE Pistol 3 MOA Red Dot Sight - RMR Footprint - 2 Dot Colors

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Features

Specifications

What’s Included

RMR Optic Firearm Compatibility

Customer reviews 5

Questions & Answers 12

Ask a question

Thanks for the question.

Warranty & returns

Backed by the AT3 Lifetime Warranty!

All AT3 Tactical Brand Products carry a lifetime warranty against manufacturer’s defects.

In the event that your AT3™ product becomes unusable, we will repair or replace the product at no charge to you.

If your product is in need of warranty service, please contact AT3 Tactical to start the process

90-day no-hassle returns

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Your cart

Frequently bought together

AT3™ ALPHA Micro 2 MOA Red Dot Sight - Shake Awake - Cantilever Riser Mount

Product description

AT3 Tactical ACE Pistol Red Dot: RMR Footprint with Shake Awake and Auto Brightness

Features

Specifications

What’s Included

RMR Optic Firearm Compatibility

Customer reviews 5

Warranty & returns

Backed by the AT3 Lifetime Warranty!

All AT3 Tactical Brand Products carry a lifetime warranty against manufacturer’s defects.

In the event that your AT3™ product becomes unusable, we will repair or replace the product at no charge to you.

If your product is in need of warranty service, please contact AT3 Tactical to start the process

90-day no-hassle returns

Customers also viewed

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AT3 NANO 3 MOA Polymer Red Dot Sight – RMS/RMSc Footprint – Super Lightweight

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