--- title: "SilencerCo Alpha 5/8x24 Direct Thread Mount" description: "Black nitride direct-thread mount with 5/8x24 threading, heat-treated 17-4 stainless steel construction, and compatibility with select SilencerCo suppressors." canonical_url: "https://www.kygunco.com/product/silencerco-ac634-harvester-thread-mount-5-8x24" meta: author: KYGUNCO "og:description": "Black nitride direct-thread mount with 5/8x24 threading, heat-treated 17-4 stainless steel construction, and compatibility with select SilencerCo suppressors." "og:image": "https://cdn.kygunco.com/assets/products/271/thumbnail.jpg?v=1790197277" "og:image:height": "500" "og:image:width": "500" "og:title": "SilencerCo Alpha 5/8x24 Direct Thread Mount" --- > Index of every page on this site: [llms.txt](https://www.kygunco.com/llms.txt) [Home](https://www.kygunco.com/) / [Shooting](https://www.kygunco.com/category/shooting) / [Guns](https://www.kygunco.com/category/shooting/guns) / [Class III](https://www.kygunco.com/category/shooting/guns/class-iii) / [Suppressor Accessories](https://www.kygunco.com/category/shooting/guns/class-iii/suppressor-accessories) / SLN-AC634 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/271/main.jpg?v=1790197277) For illustration purposes only, this image may not be an exact representation of the product. # SILENCERCO Alpha Direct Thread Mount (5/8"x24) The SilencerCo Alpha Direct Thread Mount provides a compact, low-profile way to attach compatible suppressors to fixed-barrel rifles. It uses a 5/8x24 thread pitch and is made from heat-treated 17-4 stainless steel with a black nitride finish. Compatible suppressors include the Harvester 300, Omega 9K, Omega 45K, Octane 9, Octane 45, and Octane 45K. 5.0 ** ** ** ** ** [1 review](#reviews) $71.40 ** 5 interest-free payments of **$14.28** 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 # 271 Style SLN-AC634 UPC 817272011500 Condition New Manufacturer [SilencerCo](https://www.kygunco.com/brand/silencerco) Weight 1 lb SilencerCo's Direct Thread Mount offers a simple, low-profile attachment method for compatible suppressors on fixed-barrel rifles. Its compact design helps maintain a streamlined setup while providing a secure suppressor-to-barrel connection. FEATURES - Direct-thread attachment system - Shortens suppressor length versus ASR mounting systems - Heat treated for enhanced durability - Designed for use with threaded fixed barrels - Compatible with Harvester 300 - Compatible with Omega 9K and Omega 45K - Compatible with Octane 9, Octane 45, and Octane 45K SPECIFICATIONS - Thread Pitch: 5/8x24 - Material: 17-4 Stainless Steel - Finish: Black Nitride - Color: Black - Mount Type: Direct Thread ** 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). 5.0 ** ** ** ** ** 1 review ** ** ** ** ** 1 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ## Reviews ** David Mt. Washington, KY Works great. Fast shipping 3 months ago ** ** ** ** ** ## More from SilencerCo ```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/silencerco-ac634-harvester-thread-mount-5-8x24#webpage","@type":"WebPage","description":"Black nitride direct-thread mount with 5/8x24 threading, heat-treated 17-4 stainless steel construction, and compatibility with select SilencerCo suppressors.","name":"SilencerCo Alpha 5/8x24 Direct Thread 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