The SIG Sauer ROMEO5XDR GEN II is a red dot rifle optic at 1x magnification, using the 2 MOA Ballistic Circle Dot reticle in red. It ships on a fixed mount. It runs on an AAA cell and adds shake awake, night vision settings, and an enclosed emitter. The aluminum body measures 4.2 x 2.4 x 2.9 in and 6.4 oz. Measured against the 320 red dots and prisms in the index, it lands in the lightest quarter for weight (6.4 oz) and in the least expensive quarter for price ($230). It is one of 149 entries in the index that qualify as a red dot at 1x. The closest listed comparison is SIG Sauer ROMEO5 GEN II ELITE, the same brand's red dot at 1x, priced at $200.
| Series | ROMEO5XDR GEN II |
| Optic Type | Red Dot |
| Magnification | 1 |
| Reticle Name | 2 MOA Ballistic Circle Dot |
| Reticle Color | Red |
| Solar Failsafe | No |
| Shake Awake | Yes |
| Night Vision Compatible | Yes |
| Enclosed | Yes |
| Battery | AAA |
| Optic Removal for Battery Change | No |
| Mount Type | Fixed |
| Material | Aluminum |
| Weight (oz) | 6.4 |
| Dimensions (in) | 4.2 x 2.4 x 2.9 |
| Average Price | $230 |
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