Product DescriptionThe Rugged Suppressors piston is engineered with a non-slotted design that forms a full circumference gas seal to significantly reduce gas blowback for a cleaner, more comfortable shooting experience. Precision machined from 17-4 stainless steel and heat treated for strength, it is built for long-term durability in demanding suppressed use. This piston features a .578x28 thread pitch; booster system is not included.Product Highlights Non-slotted piston design creates a complete circumference gas seal to help reduce gas blowback Machined from durable 17-4 stainless steel for long service life Heat-treated construction for enhanced strength and wear resistance .578x28 thread pitch for compatibility with appropriate threaded hosts Booster system not included Specs Brand: Rugged Suppressors Product Type: Suppressor piston Thread Pitch: .578x28 Design: Non-slotted, full circumference gas seal Material: 17-4 Stainless Steel Heat Treated: Yes Booster System Included: No Manufacturer Part Number: OP001 UPC: 859383006112 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.