The Strike Industries Oppressor universal 3-lug QD base set offers versatility by providing an additional mount for compatible firearms, allowing seamless interchangeability with a single SI Oppressor universal body. This 3-lug quick detach (QD) base is specifically designed for the SI Oppressor universal and comes complete with all necessary hardware for installation on an individual barrel. Crafted from robust S45C steel, the base set includes essential components such as a 0.5 inches concentric shim washer and both 0.5 inches and 5/8 inches crush washers. This setup enables secure attachment and easy swapping between firearms equipped with the SI Oppressor universal suppressor body. Whether as a spare, replacement or to optimize cost-efficiency by utilizing the same suppressor body across multiple weapons, the Strike Industries Oppressor universal 3-lug QD base set ensures reliable performance and adaptability in various shooting environments.