Product DescriptionThe XS Sights Universal Standard Dot replacement bead is a bright, durable upgrade for vent rib shotgun barrels. Designed for a secure DIY installation, its friction tapper lock design keeps the sight firmly in place through countless hunts and clay sessions. The kit includes three brass threaded posts to match common factory bead threads, and the green photoluminescent Ember Glow Dot is highly visible in daylight and glows in low light for faster target acquisition at dawn and dusk.Product Highlights Universal fit for vent rib shotguns from Benelli, Beretta, Browning, CZ, Mossberg, Remington, and Stoeger Green photoluminescent Ember Glow Dot is brighter than fiber optic pipes and glows in low light Easy, DIY install with friction tapper lock design-no specialty tools required Includes three brass posts to cover the majority of shotgun bead thread sizes Durable, weather and chemical resistant construction built to last Specs Compatibility: Vent rib shotguns (Benelli, Beretta, Browning, CZ, Mossberg, Remington, Stoeger) Threaded posts included: 5-40, M2.5 x 0.45, M3 x 0.5 Overall height: 0.165 in Overall width: 0.165 in Dot color: Green photoluminescent Ember Glow Dot Post material: Brass Country of manufacture: USA (Fort Worth, Texas) UPC: 647533001007 Manufacturer Part Number: SG-P001S-1G Brand: XS Sights 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.