The SIG Sauer ROMEO9T is a red dot rifle optic at 1x magnification, using the 1 MOA/65 MOA Circle Dot/2.5 MOA Green Dot reticle in red. It ships on a fixed mount (1.63 in optical centerline). It runs on a CR123 cell and adds shake awake, night vision settings, and an enclosed emitter. The aluminum body measures 4.21 x 2.40 x 2.87 in and 13.7 oz. Measured against the 320 red dots and prisms in the index, it lands on the heavier side for weight (13.7 oz) and among the most expensive 10 percent for price ($3,990). It is one of 149 entries in the index that qualify as a red dot at 1x. The closest listed comparison is SIG Sauer ROMEO8T, the same brand's red dot at 1x, priced at $800.
| Series | ROMEO9T |
| Optic Type | Red Dot |
| Magnification | 1 |
| Reticle Name | 1 MOA/65 MOA Circle Dot/2.5 MOA Green Dot |
| Reticle Color | Red |
| Solar Failsafe | No |
| Shake Awake | Yes |
| Night Vision Compatible | Yes |
| Enclosed | Yes |
| Battery | CR123 |
| Optic Removal for Battery Change | No |
| Mount Type | Fixed |
| Mount Height (in) | 1.63 |
| Material | Aluminum |
| Weight (oz) | 13.7 |
| Dimensions (in) | 4.21 x 2.40 x 2.87 |
| Country of Manufacture | USA |
| Average Price | $3,990 |
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