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Rifle optic evaluation memo: Aimpoint PRO (Patrol Rifle Optic) vs SIG SAUER ROMEO5
| Version compared | Aimpoint PRO (Patrol Rifle Optic)Aimpoint PRO (Patrol Rifle Optic) 2 MOA, QRP2 mount + spacer | SIG SAUER ROMEO5SIG SAUER ROMEO5 1x20 mm (SOR52001) |
|---|---|---|
| Type | Red dot reflex sight [1] | Red Dot [2] |
| Magnification | 1X - No Magnification [1] | 1x [2] |
| Objective / aperture | 23 mm [1] | 20 mm [2] |
| Reticle | 2 MOA [1] | Red 2 MOA Dot [2] |
| Focal plane | Not published | Not published |
| Eye relief | Unlimited [1] | Not published |
| Field of view | Not published | Not published |
| Brightness / illumination settings | 4 night vision compatible settings and 6 daylight settings [1] | 8 daytime/2 NV [2] |
| Night-vision settings | Not published | Not published |
| Battery | 1/3N, 3V, Lithium [1] | (1) CR2032 [2] |
| Battery life (maker's stated) | 30,000 h at daylight setting 7 (15,000 Lux, room temperature) [1] | 40,000 hours (maker's 'Run Time': 40000) [2] |
| Mount (as supplied) | QRP2 Mount, Base & Top Ring and Standard Spacer [1] | Not published |
| Optical axis / mount height | Height of Optical Axis 39 mm (1.5 in) measured from top surface of mechanical interface [1] | Not published |
| Length / dimensions | 132 x 72 x 81 mm / 5.2 x 2.8 x 3.2 in [1] | Height 38.6 mm; Overall Length 62.7 mm; Overall Width 38.1 mm [2] |
| Weight | 357 g / 12.6 oz [1] | 5.1 oz [2] |
| Water rating (maker's stated) | 45 m / 150 ft [1] | Not published |
| Maker list price | Not published | $139.99 [2] |
| Agencies issuing (current entry) | 3 of 12 agencies with a sourced rifle optic | 1 of 12 agencies with a sourced rifle optic |
| Most common host weapon | Bravo Company Manufacturing BCM4 (1) | SIG SAUER M400 Pro (1) |
Notices
No recalls, safety statements or agency actions on file for either model.
Sources
- [1] PRO - Patrol Rifle Optic 2 MOA. Aimpoint. Accessed Oct 11, 2026. https://www.aimpoint.com/products/pro-patrol-rifle-optic-2-moa-red-dot-reflex-sight-with-standard-spacer-and-qrp2-mount (archive: https://web.archive.org/web/2026/https://www.aimpoint.com/products/pro-patrol-rifle-optic-2-moa-red-dot-reflex-sight-with-standard-spacer-and-qrp2-mount)
- [2] ROMEO5 1x20mm. SIG SAUER. Accessed Oct 11, 2026. https://www.sigsauer.com/romeo5-1x20-mm.html (archived maker page, captured Jun 18, 2026: https://web.archive.org/web/20260618080057/https://www.sigsauer.com/romeo5-1x20-mm.html)