Product Description The Gemtech GM-45/Blackside LID Piston Core with a 1/2x28 thread pitch is a precision-engineered suppressor adapter designed to maximize the versatility of your GM-45 or BLACKSIDE-45 suppressor. By enabling quick and straightforward thread changes, this piston core allows a single suppressor to be used across both U.S. standard threaded pistols and European metric-threaded platforms. Whether chambered in .45 ACP, 9mm, or .40 caliber, this piston delivers a secure and reliable connection, maintaining consistent barrel-to-suppressor alignment for dependable performance on the range or in the field. Manufactured in Eagle, Idaho, this component reflects Gemtech&';s longstanding commitment to quality craftsmanship and shooter-focused engineering. Product Highlights Compatible with GM-45 and BLACKSIDE-45 suppressors, expanding platform versatility with a single accessory 1/2x28 thread pitch for seamless use with U.S. standard threaded pistols Supports .45 ACP, 9mm, and .40 caliber pistols for broad multi-caliber compatibility Precision-machined LID Piston Core construction ensures reliable alignment and durable long-term performance Allows one suppressor to serve multiple host platforms by simplifying the thread-change process Specs Brand: Gemtech Type: LID Piston Core / Suppressor Adapter Thread Pitch: 1/2x28 Fit: GM-45 / BLACKSIDE-45 Compatible Calibers: .45 ACP, 9mm, .40 S&W Finish: Matte Color: Black Manufacturer Part Number (MPN): 12184 UPC: 609224345869 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. ]]>