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Sightmark
Overview
The Sightmark XTM-3 3x18mm Magnifier is designed to enhance your sight picture with a 3X magnification, allowing for greater target acquisition and accuracy at range. Its full-size design provides a stable platform, making it an ideal addition for those looking to optimize their optics setup. This magnifier is commonly found in builds featuring a mid-length gas system and chambered in 5.56 NATO, catering to those who require versatility and performance in their shooting applications.
Prices checked
Today the one retailer we track is out of stock. Listed prices start at $299.97 at KY Gun Company for when it comes back.
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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Builds in the community that include the Sightmark XTM-3 3x18mm Magnifier - SM19065
| Build | Parts | Total |
|---|---|---|
![]() | 28 | $1958.25 |
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