Enhance your shooting experience with this precision-engineered metal mount plate adapter designed specifically for the Stoeger STR-9 STR-9C STR-9F. This versatile mounting solution seamlessly integrates with various red dot sights, including RMR, SRO, Frenzy 1x22x26 MOS MOJ, Sentry, and Holosun 407C/507C models. The robust metal construction ensures stable and secure mounting of your preferred optic, maintaining zero and providing consistent performance. The adapter's thoughtful design allows for quick and straightforward installation while maintaining a low profile. Perfect for competitive shooters, enthusiasts, and anyone looking to upgrade their STR9 with a red dot sight. This mount plate adapter represents the ideal balance of functionality and reliability, making it an essential accessory for your firearm setup.