Primary Arms SLx 1x MicroPrism
The Primary Arms SLx 1x MicroPrism is a prism rifle optic at 1x magnification, using the ACSS Gemini 9mm reticle in green. It ships on a fixed mount at Absolute Co-Witness or Lower 1/3 height (1.41 or 1.535 in optical centerline). It runs on a CR2032 cell and adds shake awake, night vision settings, and an enclosed emitter. The body weighs 5.5 oz. Measured against the 320 red dots and prisms in the index, it lands in the lightest quarter for weight (5.5 oz) and in the least expensive quarter for price ($220). It is one of 32 entries in the index that qualify as a prism at 1x. The closest listed comparison is Primary Arms SLx Compact 1x20mm Prism, the same brand's prism at 1x, priced at $220.
| Series | SLx 1x MicroPrism |
| Optic Type | Prism |
| Magnification | 1 |
| Reticle Name | ACSS Gemini 9mm |
| Reticle Color | Green |
| Solar Failsafe | No |
| Shake Awake | Yes |
| Night Vision Compatible | Yes |
| Enclosed | Yes |
| Battery | CR2032 |
| Optic Removal for Battery Change | No |
| Mount Type | Fixed |
| Mount Height | Absolute Co-Witness / Lower 1/3 |
| Mount Height (in) | 1.41 / 1.535 |
| Weight (oz) | 5.5 |
| Average Price | $220 |
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