The XS Vent Rib replacement bead is a highly visible, durable upgrade that enhances target acquisition for hunters and sport shooters alike. Designed for a universal fit, it utilizes a friction taper lock system to ensure a secure hold on the barrel, providing long-lasting reliability through countless hunts and thousands of rounds on the clay range. The brass post is offered in three sizes to accommodate a wide range of shotgun thread patterns, making installation simple and hassle-free. The green or orange photoluminescent Ember Glow Dot outperforms traditional fiber optic light pipes by offering superior brightness in daylight while maintaining a glowing effect in low-light conditions. Whether tracking fast-moving game at dawn or engaging targets under bright sunlight, the XS Vent Rib replacement bead delivers the visibility and performance needed for consistent accuracy in any shooting environment. This innovative design allows for a permanent, do-it-yourself shotgun front sight replacement, eliminating the need for magnets or special gunsmithing tools, ensuring precise alignment and proper timing without professional assistance The universal shotgun vent rib is designed with compatibility for 5-40, M2.5X.45 and M3X.5 configurations Fits Mossberg, Remington, Beretta, Benelli, CZ, Browning and Stoeger vent rib shotguns A rugged sight design withstands heavy use, harsh weather conditions and exposure to cleaning chemicals without damage The photo luminescent green-dot offers exceptional visibility in bright light, while also absorbing ambient light to glow brightly in low light conditions, ensuring a clear and easily detectable sight-in any lighting scenario