--- title: "Yankee Hill Machine Company 9mm Piston, Matte Black" description: "9mm Sidewinder piston with a 1/2x28 thread pattern and matte black finish." canonical_url: "https://www.kygunco.com/product/yankee-hill-machine-company-yhm-3245-28-sidewinder-piston-9mm-1-2x28" meta: author: KYGUNCO "og:description": "9mm Sidewinder piston with a 1/2x28 thread pattern and matte black finish." "og:image": "https://cdn.kygunco.com/assets/products/231586/thumbnail.jpg?v=1712664241" "og:image:height": "500" "og:image:width": "500" "og:title": "Yankee Hill Machine Company 9mm Piston, Matte Black" --- > 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) / YNK-YHM-3245-28 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/231586/main.jpg?v=1712664241) For illustration purposes only, this image may not be an exact representation of the product. # YANKEE HILL MACHINE COMPANY Sidewinder Piston 9mm 1/2x28 Threads | Stainless The Yankee Hill Machine Sidewinder piston is a 9mm accessory with a 1/2x28 thread pattern. It is finished in matte black and specified for use with the Sidewinder platform. Email for Price ** 5 interest-free payments of **$12.59** 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 Fulfilled by a partner warehouse. ** Partner Fulfilled Item # 231586 Style YNK-YHM-3245-28 UPC 816701019094 Condition New Manufacturer [Yankee Hill Machine Company](https://www.kygunco.com/brand/yankee-hill-machine-company) Weight 1 lb Yankee Hill Machine has been a leading manufacturer of firearms and firearm accessories since 1951. They have built a reputation for producing high-quality, reliable products that meet the needs of gun enthusiasts, law enforcement agencies, and military personnel. Their passion for innovation and continuous improvement is evident in every product they create. Through meticulous attention to detail and rigorous testing procedures, they ensure that each firearm and accessory is crafted with precision and performance in mind. With a wide range of offerings, Yankee Hill Machine covers everything from AR-15 rifles and barrels to suppressors and optic mounts. Their diverse catalog allows users to customize their firearms according to their preferences, making every shooting experience unique. Yankee Hill Machine prides themselves on their commitment to customer satisfaction. They prioritize providing exceptional customer service and support, ensuring that their customers have a positive experience from purchase to product use. With a long-standing legacy in the firearms industry, Yankee Hill Machine continues to be a trusted brand for enthusiasts and professionals alike. Whether you are a seasoned shooter or a first-time gun owner, you can trust Yankee Hill Machine to deliver top-notch products that meet and exceed your expectations. Shop with KYGUNCO for the best selection, competitive pricing, and exceptional customer service. Experience the difference that comes with buying from a trusted outdoor retailer with over 20 years of experience in the industry. ### SPECIFICATIONS - Matte Black - ADDL INFO: 9mm Piston For Sidewinder - THREAD PATTERN: 1/2x28 ** 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 Yankee Hill Machine Company ```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/yankee-hill-machine-company-yhm-3245-28-sidewinder-piston-9mm-1-2x28#webpage","@type":"WebPage","description":"9mm Sidewinder piston with a 1/2x28 thread pattern and matte black finish.","name":"Yankee Hill Machine Company 9mm Piston, Matte 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