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.
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
CANIK
Mounts with Factory Adapter Plate:
TP9SFX, SFX Rival
FN
Mounts with Factory Adapter Plate:
FN MRD, FNX 45 Tactical
GLOCK MOS
Mounts with Factory Adapter Plate:
G17 Gen5 MOS, G19 Gen5 MOS, G26 Gen5 MOS, G34 Gen5 MOS, G17 Gen4 MOS, G17 Gen5 MOS, G17L Gen5 MOS, G19 Gen4 MOS, G19 Gen5 MOS, G20 Gen5 MOS, G21 Gen5 MOS, G22 Gen5 MOS, G23 Gen5 MOS, G26 Gen5 MOS, G34 Gen4 MOS, G34 Gen5 MOS, G35 Gen4 MOS, G40 Gen4 MOS, G41 Gen4 MOS, G45 MOS, G47 MOS
PSA
Direct Mount:
Compact Dagger RMR Cut
SMITH & WESSON
Mounts with Factory Adapter Plate:
M&P 2.0 Compact, M&P 2.0 Full Size, M&P CORE
TAURUS
Mounts with Factory Adapter Plate:
G3 Tactical TORO, G3 TORO, G3C TORO, TX22 Competition







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