Side-by-side comparison
Prism sights, compared
4 current prism sights we have reviewed, too few to rank, listed side by side by the same rule with their sourced specs.
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- Primary Arms SLx 1X MicroPrism (ACSS Cyclops Gen II) 7 of 7 measures sourced
- Medium reliability reputation, medium confidence
- $264.99 list
- Battery changes without removing the optic
- Motion activation
- IPX7 / IP67 (1 m for 30 minutes) (maker: "IP67")
- Primary Arms SLx 3X MicroPrism (ACSS Raptor 5.56/.308) 6 of 7 measures sourced
- Medium reliability reputation, medium confidence
- $349.99 list
- Battery changes without removing the optic
- Motion activation
- Waterproof rating: unknown
- Primary Arms SLx 5X MicroPrism Scope with Red Illuminated ACSS Aurora 5.56/.308 Yard Reticle 5 of 7 measures sourced
- Medium reliability reputation, medium confidence
- $399.99 list
- Battery access: unknown
- Motion activation
- Waterproof rating: unknown
- Primary Arms GLx 2X Prism Scope with ACSS CQB-M5 5.56 Reticle 5 of 7 measures sourced
- Medium reliability reputation, low confidence
- $389.99 list
- Battery access: unknown
- Motion activation
- Waterproof rating: unknown
By weight (lightest first)
Maker-stated weight, lightest first. Makers do not all say whether the figure includes the battery; the configuration is shown on each row. Where several versions exist, the heaviest is used.
| Optic | Value | Source |
|---|---|---|
| Primary Arms SLx 1X MicroPrism (ACSS Cyclops Gen II) | 7.6 oz (configuration not stated) | maker / record |
| Primary Arms SLx 3X MicroPrism (ACSS Raptor 5.56/.308) | 7.95 oz (configuration not stated) | maker / record |
| Primary Arms SLx 5X MicroPrism Scope with Red Illuminated ACSS Aurora 5.56/.308 Yard Reticle | 8.5 oz (configuration not stated) | maker / record |
| Primary Arms GLx 2X Prism Scope with ACSS CQB-M5 5.56 Reticle | 11 oz (configuration not stated) | maker / record |
By rated battery life
Each maker rates battery life at its own brightness setting, so figures are not comparable across makers. Optics are grouped in fixed bands and listed alphabetically within a band.
| Optic | Value | Source |
|---|---|---|
| Primary Arms GLx 2X Prism Scope with ACSS CQB-M5 5.56 Reticle | 20,000 h rated (medium setting) | maker / record |
| Primary Arms SLx 1X MicroPrism (ACSS Cyclops Gen II) | 29,000 h rated | maker / record |
| Primary Arms SLx 3X MicroPrism (ACSS Raptor 5.56/.308) | 29,000 h rated (medium setting) | maker / record |
| Primary Arms SLx 5X MicroPrism Scope with Red Illuminated ACSS Aurora 5.56/.308 Yard Reticle | 29,000 h rated | maker / record |
By waterproofing
Grouped by the maker's published rating: immersion deeper than 1 m (deepest stated depth first), then IPX7/IP67, then splash ratings, then an unrated waterproof claim.
| Optic | Value | Source |
|---|---|---|
| Primary Arms SLx 1X MicroPrism (ACSS Cyclops Gen II) | IPX7 / IP67 (1 m for 30 minutes) (maker: "IP67") | maker / record |
Not ranked, waterproof rating unknown: Primary Arms GLx 2X Prism Scope with ACSS CQB-M5 5.56 Reticle, Primary Arms SLx 3X MicroPrism (ACSS Raptor 5.56/.308), Primary Arms SLx 5X MicroPrism Scope with Red Illuminated ACSS Aurora 5.56/.308 Yard Reticle.
By list price (lowest first)
Maker list price in US dollars from the maker's own page, lowest version first.
By warranty grade
The brand's warranty grade from our warranty comparison, which scores the published terms; brand level, not per model.
| Optic | Value | Source |
|---|---|---|
| Primary Arms GLx 2X Prism Scope with ACSS CQB-M5 5.56 Reticle | Primary Arms warranty grade A | maker / record |
| Primary Arms SLx 1X MicroPrism (ACSS Cyclops Gen II) | Primary Arms warranty grade A | maker / record |
| Primary Arms SLx 3X MicroPrism (ACSS Raptor 5.56/.308) | Primary Arms warranty grade A | maker / record |
| Primary Arms SLx 5X MicroPrism Scope with Red Illuminated ACSS Aurora 5.56/.308 Yard Reticle | Primary Arms warranty grade A | maker / record |