Product DescriptionThe Gemtech GM-45/Blackside Threaded Rear Mount Adapter is a threaded end cap adapter designed for use with Gemtech GM-45 and Blackside suppressors. It enables compatibility with fixed-barrel firearms by providing a direct-thread mounting interface. Built for secure fitment and consistent alignment, this adapter is configured in 5/8x24 thread pitch and is a practical upgrade for dedicated fixed-barrel setups.Important note: The GM-45 and Lunar-45 suppressors are rated for .300 Blackout use with subsonic ammunition only.Product Highlights Threaded rear mount adapter for Gemtech GM-45 and Blackside suppressors 5/8x24 direct-thread configuration for fixed-barrel firearm applications Helps convert compatible suppressor setups away from booster/piston style mounting Black/matte finish for a clean, low-glare appearance .300 Blackout note: use subsonic ammunition only with GM-45 and Lunar-45 suppressorsSpecs Brand: Gemtech Manufacturer Part Number: 12194 UPC: 609224347184 Product Type: Threaded rear mount adapter / threaded end cap adapter Thread Pitch: 5/8x24 Compatibility: Gemtech GM-45 and Blackside suppressors Color/Finish: Black (matte) Caliber Note: GM-45 and Lunar-45 suppressors are rated for .300 Blackout with subsonic ammo onlyDisclaimer: 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.