--- title: "Vortex Defender Eyepiece Flip Cap" description: "Eyepiece flip cap with a snap flat spring and three stop positions. Fits most Vortex riflescopes, except listed 1-inch tube Viper models." canonical_url: "https://www.kygunco.com/product/vortex-e-10-defender-flip-cap-eyepiece" meta: author: KYGUNCO "og:description": "Eyepiece flip cap with a snap flat spring and three stop positions. Fits most Vortex riflescopes, except listed 1-inch tube Viper models." "og:image": "https://cdn.kygunco.com/assets/products/111598/thumbnail.jpg?v=1713453533" "og:image:height": "500" "og:image:width": "500" "og:title": "Vortex Defender Eyepiece Flip Cap" --- > Index of every page on this site: [llms.txt](https://www.kygunco.com/llms.txt) [Home](https://www.kygunco.com/) / [Optics](https://www.kygunco.com/category/optics) / [Scope Caps & Accessories](https://www.kygunco.com/category/optics/scope-caps-and-accessories) / VRT-E-10 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/111598/main.jpg?v=1713453533) For illustration purposes only, this image may not be an exact representation of the product. # VORTEX Defender Flip Cap Eyepiece Eyepiece flip cap for Vortex riflescopes. The Defender E-10 has a snap flat spring and three stop positions, including vertical, 45°, and flat back. Fits nearly all Vortex optics, with listed exceptions for 1-inch tube Viper models. $29.99 ** 4 interest-free payments of **$7.50** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** Online In Store ** Flat Rate $13.94 for every 25 lbs. Shipping to HI & AK may incur additional fees. ** Ships To Your Home Handled by our expert shippers in Bardstown, KY. Almost gone. Order now before it sells out. Item # 111598 Style VRT-E-10 UPC 875874005877 Condition New Manufacturer [Vortex](https://www.kygunco.com/brand/vortex) Weight 2 lb ### Vortex Defender Flip Cap Eyepiece This is the last flip cap you will ever need! Virtually indestructible, this cap will fit snugly on nearly all Vortex Optics and features a snap flat spring that will keep your line of sight unobstructed. Rifle ranges the world over are littered with broken flip caps. This is one cap you will most likely never see in a flip cap boneyard. The E-10 cap has three stop positions. The first vertical, to put your dope disk (optional accessory) literally right in your face. The second at a 45° and the third at 90° to lay flat back. The E-10 fits all Vortex® Riflescopes except the 1-inch tube Viper® model VPR-M-01BDC, VPR-M-04BDC and VPR-M-03BDC. Outside diameter: 41.5-46 mm | 1.6-1.8 inches ** WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to [www.p65warnings.ca.gov](https://www.p65warnings.ca.gov). 0.0 ** ** ** ** ** 0 reviews ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ## More from Vortex ```json {"@context":"https://schema.org","@graph":[{"@id":"https://www.kygunco.com/#website","@type":"WebSite","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","name":"KYGUNCO","url":"https://www.kygunco.com/","publisher":{"@id":"https://www.kygunco.com/#/schema/organization/kygunco"}},{"@id":"https://www.kygunco.com/product/vortex-e-10-defender-flip-cap-eyepiece#webpage","@type":"WebPage","description":"Eyepiece flip cap with a snap flat spring and three stop positions. 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