--- title: "Primary Arms ACSS Vulcan Green Dot Optic" description: "Compact 1x green dot optic with ACSS Vulcan reticle, selectable modes, motion activation, adjustable illumination, and Holosun K footprint." canonical_url: "https://www.kygunco.com/product/primary-arms-acss-vulcan-green-dot" meta: author: KYGUNCO "og:description": "Compact 1x green dot optic with ACSS Vulcan reticle, selectable modes, motion activation, adjustable illumination, and Holosun K footprint." "og:image": "https://cdn.kygunco.com/assets/products/320742/thumbnail.jpg?v=1793027280" "og:image:height": "500" "og:image:width": "500" "og:title": "Primary Arms ACSS Vulcan Green Dot Optic" --- > Index of every page on this site: [llms.txt](https://www.kygunco.com/llms.txt) [Home](https://www.kygunco.com/) / [Brands](https://www.kygunco.com/brands) / [Primary Arms](https://www.kygunco.com/brand/primary-arms) / PRM-HE507K-GR-X2-ACSS ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/320742/main.jpg?v=1793027280) For illustration purposes only, this image may not be an exact representation of the product. # PRIMARY ARMS Holosun 507K ACSS Vulcan Green Dot The PRIMARY ARMS ACSS Vulcan Green Dot is a compact 1x optic with a green 3 MOA dot and selectable dot-and-circle or dot-only reticle modes. Its ACSS Vulcan outer reference circle helps guide the aiming dot back into view when alignment is off. Features include motion activation, Lock Mode, adjustable illumination, multi-coated optics, and a Holosun K footprint. $362.24 ** 5 interest-free payments of **$72.45** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** ![Credova logo](https://www.kygunco.com/brands/credova.svg) Pay over time with ![Credova text logo](https://www.kygunco.com/brands/credova-text.svg) ** Online In Store ** Flat Rate $13.94 for every 25 lbs. Shipping to HI & AK may incur additional fees. ** Ships To Your Home Fulfilled by a partner warehouse. ** Partner Fulfilled Item # 320742 Style PRM-HE507K-GR-X2-ACSS UPC 810047072409 Condition New Manufacturer [Primary Arms](https://www.kygunco.com/brand/primary-arms) The Holosun HE507K-GR-X2-ACSS pairs a compact carry-optic footprint with the green ACSS Vulcan reticle. Developed with Primary Arms Optics, the reticle uses an outer reference circle to help you locate the aiming dot when alignment is off. Motion activation and simple push-button controls make everyday operation straightforward. FEATURES - ACSS Vulcan aiming system - Uses an outer reference circle to guide the aiming dot back into view when the optic is misaligned - Selectable reticle modes - Choose dot-and-circle or dot-only operation - Shake Awake technology - Activates the illumination when motion is detected to help conserve battery power - Lock Mode - Helps prevent unintended setting changes during carry - Adjustable illumination - Offers 10 daylight and two night-vision-compatible brightness settings - Multi-coated optics - Support a clear sight picture in a compact viewing window SPECIFICATIONS - Magnification: 1x - Reticle Color: Green - Aiming Dot Size: 3 MOA - Mounting Footprint: Holosun K / 407K / 507K - Window Size: 15 x 20mm - Housing Material: Aluminum - Finish: Black hardcoat anodized - Battery: CR1632 - Battery Life: Up to 40,000 hours at medium settings - Parallax: Parallax-free - Length: 1.60" - Width: 0.98" - Height: 0.95" - Weight: 1 oz ** 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 Primary Arms ```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/primary-arms-acss-vulcan-green-dot#webpage","@type":"WebPage","description":"Compact 1x green dot optic with ACSS Vulcan reticle, selectable modes, motion activation, adjustable illumination, and Holosun K footprint.","name":"Primary Arms ACSS Vulcan Green Dot 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