515
The Holosun HS515GM is a red dot rifle optic at 1x magnification, using the 2 MOA Dot & 65 MOA Circle reticle in red. It ships on a quick detach mount (1.63 in optical centerline). It runs on a CR2032 cell and adds shake awake and night vision settings. The aluminum body measures 2.73 x 1.53 x 1.61 in and 3.74 oz. Measured against the 320 red dots and prisms in the index, it lands among the lightest 10 percent for weight (3.74 oz) and on the cheaper side for price ($376). It is one of 149 entries in the index that qualify as a red dot at 1x. The closest listed comparison is Holosun HS510C, the same brand's red dot at 1x, priced at $365.

| Series | 515 |
| Optic Type | Red Dot |
| Magnification | 1 |
| Reticle Name | 2 MOA Dot & 65 MOA Circle |
| Reticle Color | Red |
| Solar Failsafe | No |
| Shake Awake | Yes |
| Night Vision Compatible | Yes |
| Enclosed | No |
| Battery | CR2032 |
| Optic Removal for Battery Change | No |
| Mount Type | Quick Detach |
| Mount Height (in) | 1.63 |
| Material | Aluminum |
| Weight (oz) | 3.74 |
| Dimensions (in) | 2.73 x 1.53 x 1.61 |
| Country of Manufacture | China |
| Average Price | $376 |
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