SUNRIS Tactical Flip-Up Backup Sights
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The SUNRIS Tactical Flip-Up Backup Sights are a front and rear BUIS combo designed for AR-15 and M4 platforms, offering rapid transition capability on any Picatinny rail. They fold flat when not in use and spring up instantly for backup iron sight use alongside a primary optic. Overall, they represent a budget-friendly entry point into BUIS setups, delivering solid basic functionality for casual shooters and range enthusiasts.
Key Features & Specs
| Compatibility | Fits standard Picatinny and MIL-STD-1913 rails, compatible with AR-15 and M4 platforms |
|---|---|
| Design | Low-profile folding design that flips up rapidly for quick transition from primary optic to iron sights |
| Set Contents | Includes both a front post sight and a rear aperture sight for a complete BUIS solution |
| Material | Constructed from aluminum alloy with an anodized finish for lightweight durability and corrosion resistance |
| Adjustment | Rear sight features windage adjustment; front sight post allows for elevation correction |
| Weight | Lightweight build adds minimal weight to the rifle, preserving overall balance and handling |
| Use Case | Intended as backup sights to complement red dot or magnified optics rather than replace a primary sighting system |
Best for: Budget-conscious AR-15 owners and recreational shooters looking for a functional and affordable backup iron sight set to complement their existing optic setup.