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Vortex Optics
Overview
The Vortex VMX-3T Red Dot Magnifier offers a 3X magnification to enhance target acquisition and shooting accuracy, making it an effective addition to your AR-15 setup. Constructed from durable aluminum, it features a flip-to-side mount that allows for quick transitions between magnified and non-magnified views, providing versatility in various shooting scenarios. This magnifier is often incorporated into builds with a rifle gas system and chambered in 5.56 NATO, making it a solid choice for both tactical and recreational shooting.
Prices checked
Vortex VMX-3T Red Dot Magnifier with Flip Mount ranked #15 of the 37 magnifiers builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #14 of the 85 magnifiers builders have added. Builds with this magnifier are split between 5.56 NATO (60%) and .223 Wylde (16%), split between carbine-length (40%) and mid-length (30%) gas systems, and mostly AR-15 (95%).
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today 5 of the 6 retailers we track have it in stock. Buying today, the lowest price is $199.99 at Brownells, which matches the best price we saw in October.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every magnifier by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Magnifier Guide →The part most often added in each category by the builds that include this one

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Aggregated and anonymized data showing how builders use this product
Builds in the community that include the Vortex VMX-3T Red Dot Magnifier with Flip Mount
| Build | Parts | Total |
|---|---|---|
![]() | 24 | $6999.02 |
![]() | 30 | $3760.93 |
![]() | 23 | $2477.15 |
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