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Comes with a Picaitnny mounting plate. Also comes with ADE all new designed adapter plate is to REPLACE the rear sight for Steyr A1 A2 Handgun
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- This Optic Plate is Compatible with S-A1 C-A1 M-A1 L-A1 M9-A1, L9-A2, C9-A2, M9-A2. Does NOT fit any other models that is not listed here.
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Model: ADE RD3-012 Red dot
Fits optic cut/plate that is compatible with Vortex Venom/Burris Fastfire/Doctor footprint
- The ADE Delta Red dot sight-6 MOA promotes rapid target acquisition while providing a precise point of aim; getting shots down range and on target fast. The aluminum housing ensures this unit will stand up to whatever you throw at it.
- Top load system, no need to remove the sight to change the battery.
- Can also be used with a long range rifle scope for that perfect backup system. The lowest setting is invisible by human eye that is for using with a night vision.
- Red dot has multi brightness level with one adjustment button. Every time you turn on the dot it stays the same brightness level last time it was turned off
- 1.75" length x1.25" width x1.15" height. Shockproof, Fogproof and waterproof for 30 minutes under 4ft water.
- 6 MOA dot. Come with Protected Cover, Adjustment wrench, Adjustment dailing plate, User Manual and Picatinny mounting plate. Additional mounting plates for hunguns sells separately.
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Below are additional footprint about ADE footprints.
ADE, RD3-006 Huracan,RD3-009 Crusader,RD3-012 Delta, RD3-013 Bertrillium fit optic cut/plate that is compatible with Vortex Venom/Burris Fastfire/Doctor footprint. RD3-015 Zantitium, RD3-028 Ares fit plate(does NOT fit slide due to larger size) that is compatible with Vortex Venom/Burris Fastfire/Doctor footprint. Please note: Some aftermarket slides have a precise optic cut based on the curved edge/corner of Vortex Venom, one of the common slide manufacturers is PSA Dagger(with Doctor cut). ADE and other brand red dots do NOT have the same curve as Vortex Venom, therefore ADE RD3-006, 009, 012, 013 do NOT fit the aftermarket slide with CURVED vortex venom optic cut. ADE red dots with Doctor footprints only fit squared optic cuts that accept standard Doctor Footprints.
ADE RD3-018 Spike, RD3-021 Nuwa and RD3-030 Apollo fit optic cut/optic plate that is compatible with shield RMS/RMSC/Deltapoint Pro footprint
ADE RD3-021c NUWAcc fits optic cut/optic plate/ that is compatible with Trijicon RMRcc footprint
ADE RD3-019 Stingray RD3-020 Raptor, RD3-023 Valkyrie and RD3-029 Trumpet fit optic cut/optic plate/ that is compatible with Trijicon RMR/SRO/Holosun 407C/507C footprint
12 Reviews Hide Reviews Show Reviews
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Reliable Reflex Sight That Holds Zero
Installed this with the plate and it was true to zero after installation. I like that the brightness memory stays consistent and the housing has a solid feel. Easy to install and easy to shoot with — very practical.
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Comfortable on the Eye
The optics on this feel balanced — dot isn’t too big but still easy to center. The sight body seems weather-resistant and rugged, and it’s held zero perfectly on my Steyr A1 after a few dozen rounds. Very pleased for the price.
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Great Entry-Level Red Dot
I wasn’t sure what to expect, but this has been dependable for general practice and carry prep. It’s not a sport-grade optic, but for everyday carry and range work it’s plenty bright and rugged enough. Easy to read and quick to acquire.
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Straightforward and Practical
Mounting this was easy with the included plate, and sighting in was simple. Dot clarity and brightness make it useful for both close-in drills and mid-range steel. Battery life is still solid after a few outings.
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Bright Enough Even Outdoors
Took this optic out on a sunny day and didn’t have to crank the brightness all the way up — dot was easy to pick up. The top-load battery system is handy so I don’t have to take the sight off to change cells. Good basic reflex sight.
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Great Value Reflex Sight
For the price, this RD3-012 Delta really delivers. Clear dot with good visibility and the mount feels solid on the pistol. I’ve used it for several range sessions now with no issues holding zero.
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Works Well With Everyday Carry Pistol
Easy to figure out and steady to install. My first impressions at the range were positive — fast shots and clear dot at various light levels. If you want a basic, reliable red dot on a Steyr without paying premium prices, this fits the bill.
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Good Dot Size for Pistols
I like the 6 MOA dot a lot — it’s fast to acquire on steel at shorter distances and it doesn’t clutter the sight picture. The mount sits low and stable on my pistol’s rail plate. Haven’t had to touch zero after a dozen magazines.
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Solid Sight for Everyday Use
I wasn’t expecting premium optics at this price range, but this one performed well. The mechanical clicks for windage and elevation adjustments are positive, and the aluminum housing feels durable. Perfect for my Steyr A1 carry setup.
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Bright and Reliable Dot
Took this reflex sight out in mixed light conditions and the 6 MOA dot stayed visible without being too distracting. Battery life seems strong, and top battery access makes changes painless. Feels rugged enough for regular range use.
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Easy to Install and Zero
Installed this on my Steyr A2 with the included mounting plate — took only a few minutes and everything lined up perfectly. I like how the red dot stays the same brightness setting every time I turn it on. Easy for quick target acquisition.
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Excellent Budget Reflex Sight Setup
I paired this RD3-012 Delta with the Steyr A1 plate and it was a straightforward install. The 6 MOA dot is bright and easy to pick up even in full sun, and the sight held zero well after my first range trip. Great value for a pistol optic.
