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Acro Footprint Optics & Red Dot Sights | Aimpoint, Steiner, Viridian
Acro Footprint Optics & Red Dot Sights – Enclosed Emitter Reflex Sights
Built for Battle, Duty & Concealed Carry
The Acro footprint was developed by Aimpoint to mount ultra-rugged, enclosed emitter red dot sights onto pistols and long guns. These optics provide enhanced weather sealing, lens protection, and shock resistance — making them ideal for military, law enforcement, concealed carry, and rugged outdoor use.
This page features the best selection of Acro footprint red dot sights, including models from Aimpoint, Steiner, Viridian, and more. Whether you're outfitting your Glock MOS, SIG P320, or a defensive rifle, these red dots offer battle-proven reliability and rock-solid mounting in any condition.
Why Choose an Acro Footprint Red Dot?
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✅ Fully Enclosed Emitters – Keeps moisture, mud, and debris out
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✅ Compact & Durable Designs – Made for pistol slides and slides with optics cuts
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✅ High Compatibility – Mounts to Glock MOS, P320 RX, FN 509, and more
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✅ Trusted by Professionals – Used by elite military and law enforcement
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✅ Improved Lens Protection – Recessed windows reduce glare and breakage
What Is the Acro Footprint?
The Acro footprint is a proprietary red dot mounting standard created by Aimpoint for its Acro series of optics. It uses a two-screw clamp-on side-mount design that provides a low-profile and secure fit on pistols, rifles, and optic plates designed for the Acro footprint.
Compatible Platforms Include:
- Glock MOS (with Acro plate)
- SIG Sauer P320
- Walther PDP
- FN 509 Tactical
- AR-style rifles with Acro riser mount
- Beretta APX A1 and other full-size optics-ready pistols
Top Acro Footprint Red Dots
| Red Dot Model | Dot Size | Best For | Footprint |
|---|---|---|---|
| Aimpoint Acro P-2 | 3.5 MOA | Military, law enforcement | Acro |
| Steiner MPS | 3.3 MOA | Duty / competition use | Acro |
| Viridian RFX45 | 3 MOA | Carry, defense, rifle-ready | RMR (see adapter) |
| Holosun 509T | 2 MOA + Ring | Co-witness, concealed | Acro w/ adapter |
Key Features to Look For
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✅ Motion Activation – Instant-On® tech in models like the RFX45
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✅ Long Battery Life – 20,000–50,000+ hours runtime
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✅ Auto-Off / Brightness Memory – Intelligent control for battery savings
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✅ Night Vision Compatibility – On select Aimpoint and Steiner models
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✅ Co-Witness Ready – Lower 1/3 or absolute co-witness with tall sights
Compatible Pistols & Platforms
| Red Dot Model | Dot Size | Best For | Footprint |
|---|---|---|---|
| Aimpoint Acro P-2 | 3.5 MOA | Military, law enforcement | Acro |
| Steiner MPS | 3.3 MOA | Duty / competition use | Acro |
| Viridian RFX45 | 3 MOA | Carry, defense, rifle-ready | RMR (see adapter) |
| Holosun 509T | 2 MOA + Ring | Co-witness, concealed | Acro w/ adapter |
🧠 FAQ – Acro Footprint Optics
Q: What makes Acro footprint optics different from RMR or RMSc?
A: Acro optics are fully enclosed, offering better protection against water, debris, and damage compared to exposed emitter styles like RMR or RMSc.
Q: Are Acro footprint red dots waterproof?
A: Yes — most are rated IPX6 or IPX8, with the Aimpoint Acro P-2 submersible to 115 feet.
Q: Can I use an Acro red dot on a Glock MOS?
A: Absolutely — just pair it with an Acro mounting plate. Some models ship with one included.
Q: Is the Acro footprint good for duty use?
A: Yes — it’s one of the most rugged footprints available, designed for law enforcement and military use.
Q: Which Acro optic has the best battery life?
A: The Aimpoint Acro P-2 offers up to 50,000 hours of runtime on a single CR2032.