Product DescriptionThe Yankee Hill Machine (YHM) Nielsen Piston is a durable suppressor accessory designed to help properly configure compatible pistol suppressor booster (Nielsen device) systems. Built from heat-treated 17-4 stainless steel for excellent strength and corrosion resistance, this piston features a .578"-28 thread pattern for .45 caliber applications. It is compatible with YHM&';s booster housing (YHM-2055) and many popular pistol suppressors, and includes 10 adjustment points to help zero out or correct point-of-impact shift.Product Highlights .578"-28 threaded Nielsen piston for common .45 caliber pistol setups Heat-treated 17-4 stainless steel construction for durability and corrosion resistance Compatible with YHM booster housing YHM-2055 and many popular pistol suppressors 10 adjustment points to help correct/zero point-of-impact shift Lightweight design at approximately 1.40 oz Specs Brand: Yankee Hill Machine Co Manufacturer Part Number: YHM-2062-28 UPC: 841812101635 Product Type: Nielsen Piston (Suppressor Booster Piston) Thread Pattern: .578"-28 Caliber/Application: .45 caliber Material: Heat-treated 17-4 stainless steel Adjustment Points: 10 Weight: 1.40 oz Compatibility Note: Compatible with YHM booster housing YHM-2055 Fitment Note: Not compatible with Sidewinder suppressors Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.