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Get it between 2025-10-31 to 2025-11-07. Additional 3 business days for provincial shipping.
Multiple Sizes and Specifications: This M4 optics screw kit has a diameter of 6mm and includes 3 different screw sizes with lengths of: 9.8mm, 11.3mm and 12.8mm. Each size includes 3 screws (9 screws total). Please check the specification of the hardware you need before purchasing.
High Quality & Durable Material: The red dot screws kit is made of 304 stainless steel with anodized finish, which has good oxidation, wear and corrosion resistance, and can fully function in wet and harsh environments.
Pre-applied Blue Threadlocker: Pre-applied blue threadlocker seals against leaks and reduces the risk of oxidation and corrosion of the red dot sight screw, extending the life of the part. By filling the thread gap and curing, it increases friction and prevents screws from loosening due to vibration, shock, or temperature changes, making optics more robust.
Easy Installation: Red dot screw set are designed with plum blossom head, which makes the force uniform, strong grip, not easy to slip, easy to install and dismantle, you can easily replace the old screws at any time by just using a wrench.
Compatibility: M4 screw kit for optical mounts for Holosun 407k/507k/EPS.