Primary Arms GLx 1x MicroPrism Cyclops Gen 3 Sight
- Magnification Minimum: 1x
- Magnification Maximum: 1x
- Objective Lens Diameter: 20 mm
- Night vision: No
Last refreshed Jun 22, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A durable, daylight-bright prism sight with a reticle that remains usable without power, well liked by most buyers though one direct comparison favored the pricier SLx model for clarity.
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ASIN: B0DGHTJ2NYModel: GLx 1x MicroPrismCategory: Rifle Scopes
More from this brandAll Primary Arms rifle scopesOverview
A 1x prism sight built around the ACSS Cyclops Gen 3 reticle, available with red or green illumination, with extended eye relief, a 20.5mm objective lens, IP67 sealing and up to 14,925 hours of runtime on setting five.
- ACSS Cyclops Gen 3 etched reticle
- 13-setting daylight-bright green illumination
- IP67 sealed, nitrogen purged housing
- AutoLive motion-sensing power saving
Who it's for
Suits shooters who want a prism sight with a reticle that works even if the battery dies, particularly on short-barrel rifles or pistol caliber carbines. Buyers comparing it directly against Primary Arms' SLx line should weigh the one report that the SLx delivers a truer 1x and sharper glass.
Pros and cons
- Etched reticle works without illumination
- Daylight-bright green LED setting
- Wide eye box, near unlimited eye relief
- One report of less clarity than SLx model
- Feels closer to 0.9x than a true 1x
Specifications
| Brand | Primary Arms |
|---|---|
| Model | GLx 1x MicroPrism |
| Dimensions & fit | |
| Objective Lens Diameter | 20 mmlower than 99% of 309 rifle scopes |
| Construction & materials | |
| Material Type | Aluminum |
| Color | Black |
| Compatibility & installation | |
| Compatible Devices | Rifle, Shotgun |
| Warranty & support | |
| Warranty Description | Limited lifetime |
| Other details | |
| Magnification Minimum | 1x |
| Magnification Maximum | 1x |
| Night vision | No |
| Sport Type | Airsoft |
| Reticle Type | BDC |
Closest rivals on specs
Frequently asked questions
Does the reticle work if the battery dies?
Yes, the ACSS Cyclops reticle is etched into the glass and stays visible without illumination.
How does it compare to the Primary Arms SLx 1x MicroPrism?
One reviewer who owns both said the SLx has noticeably better clarity and a truer 1x magnification, calling the GLx closer to 0.9x.