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The Vortex® Viper’s super low mounting height makes it a great option for handguns with cutout slides. It offers the simplicity and speed advantage of a red dot while co-witnessing with suppressor-height iron sights. The fully multi-coated lens increases light transmission with multiple anti-reflective coatings on all air-to-glass surfaces. It provides unlimited eye relief non-critical eye relief for rapid target acquisition. The daylight bright 6 MOA red dot is easy to see and paints targets regardless of lighting conditions or background. The sight is made from a single-piece lightweight compact chassis. The waterproof O-ring seals prevent moisture, dust and debris from penetrating for reliable performance in all environments and the shockproof, rugged construction withstands recoil and impact. The durable hard anodized finish provides a low-glare matte surface and helps camouflage the shooter's position. The ArmorTek ® Ultra-hard, scratch-resistant coating protects exterior lenses from scratches, oil and dirt. The lithium battery provides life up to 150 hours on highest setting (30,000 hours on lower settings). This Viper red dot sight made by Vortex® is designed for use on the AR-556® Pistol, Ruger-57™, and other firearms equipped with Picatinny rails and is covered Vortex’s lifetime manufacturer’s warranty.
We cannot ship this item to Alaska, Hawaii, all PO Boxes, all APO's and FPO's, Puerto Rico, Guam, and all US Territories. All orders will ship UPS Ground only.
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Vortex Provided Screws Too Long |
| Clearly it is hit-n-miss. Some reviewers obviously in the minority 7:1 ratio received the correct length screws for the Ruger base plate. The majority like mine was a hair too long. I had to take my 57 to a gunsmith to either cut down or replace the two screws. |
| - Vino VeloLV, NV |
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Mounting screws |
| Purchased this and the adapter plate for my Ruger 57. Vortex mounting screws are too long to use with the Ruger mounting plate. About 1/16 to 1/8 inch too long. Quality sight, excellent pistol. |
| - Brian Collier, FL |
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