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The HiViz S300-R Narrow Magnetic Shotgun Sight features a fixed red fiber-optic LitePipe and magnetic snap-on base for shotgun ribs measuring .218" to .328" (5.5–8.3mm). This S-Series sight offers a simple, low-profile option for shooters who prefer a red front-sight reference without interchangeable LitePipes.
Use our Shotgun Rib Width Reference and guide on how to measure shotgun rib width to help determine whether the sight fits your shotgun.
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| Brand | HiViz |
| MPN | S300-R |
| UPC | 613485584608 |
| Product Name | Narrow Magnetic Shotgun Sight |
| Series | HiViz S-Series |
| Sight Type | Magnetic fiber-optic front sight |
| Fitment | Shotgun ribs .218"–.328" wide (5.5–8.3mm) |
| Rib Width | 7/32"–5/16" |
| Mounting | Magnetic snap-on base |
| LitePipe Color | Red |
| LitePipe | One fixed, non-replaceable red LitePipe |
| Frame Color | Black |
The HiViz S300-R Narrow Magnetic Shotgun Sight provides a red fiber-optic front-sight reference for shotguns with compatible ventilated ribs. Part of the HiViz S-Series, this model fits ribs measuring .218" to .328" wide (5.5–8.3mm). Measure your shotgun's rib before ordering to help ensure the sight is compatible.
The red LitePipe gathers available light to help make the front sight easier to distinguish against the target and surrounding background. The S-Series is designed for shooters who know which sight color they prefer and want a straightforward option without interchangeable LitePipes. The red LitePipe is fixed and cannot be switched to another color.
The magnetic snap-on base attaches to a compatible shotgun rib without requiring replacement of the factory front bead. The S300-R is the narrow red version of the S-Series, while the S300-G offers the same rib-width fit with a green LitePipe. Selecting the correct rib-width model is important for proper fit and retention.