This page is a working reference for those who want to plan out their optic and sight options with our slides. Most of these optic cuts are available through our special order pages. The chart below summarizes most of the options we offer with sight pictures for a lower 1/3rd cowitness. Optics not listed below have not been tested for fitment.
As always, feel free to reach out to info@norsso.com for any questions.
| Optic/Sight setup info - Springfield Armory Echelon [Updated 8/28/26] |
| Optic | Norsso Optic Cut Option | Night Fision [.248"-.268"] | Angry Bear Arms [.315"-.328"] | Notes |
| Holosun 407C/507C X2 | Trijicon RMR |  |
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| Holosun 407C/507C X3 | Trijicon RMR |  |
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| Holosun 507COMP | Trijicon RMR | x | ||
| Holosun EPS (Full size, adapter plate) | Trijicon RMR |  |
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| Trijicon RCR | Trijicon RMR |  |
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| Trijicon RMR | Trijicon RMR |  |
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| Trijicon RMR HD | Trijicon RMR |  |
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| Trijicon SRO | Trijicon RMR |  |