Product Description The RUGGED SUPPRESSOR OP008 suppressor piston is designed with a non-slotted profile that creates a full-circumference gas seal to help reduce gas blowback for a more enjoyable shooting experience. Machined from durable 17-4 stainless steel and heat treated for long-lasting performance, this piston features an M14.5x1 left-hand thread pattern and a copper finish. Note: When using a piston on a fixed-barrel platform (such as a carbine or subgun), the spring must be replaced with a fixed barrel spacer. Product Highlights Non-slotted piston design provides a full-circumference gas seal to help reduce gas blowback Precision-machined from heat-treated 17-4 stainless steel for strength and longevity M14.5x1 left-hand thread pattern for compatible barrels and suppressor setups Copper finish for a distinctive appearance and easy identification Ideal for suppressed use; fixed-barrel platforms require a fixed barrel spacer (sold separately) Specs Brand: RUGGED SUPPRESSOR Model: Suppressor Piston Manufacturer Part Number: OP008 UPC: 859383006341 Thread Pattern: M14.5x1 LH (Left Hand) Material: 17-4 Stainless Steel Finish/Color: Copper Construction Notes: Non-slotted design; heat treated Weight: 0.11 lb 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.