Warne Maxima steel bases offer unparalleled strength and versatility, making them the most robust and adaptable mounting system currently available. Their simple, low-profile design, combined with durable steel construction, represents a significant enhancement over other two-piece bases. These bases are designed based on the popular weaver-style, renowned for its strength and versatility. The low-profile design of the Maxima steel bases provides a sleek appearance for your firearm. When paired with Warne Maxima QD rings, shooters can utilize open sights by looking over the top of the bases without compromising their standard shooting position. Additionally, Maxima bases feature a full-width recoil slot in each base, allowing the recoil control keys of Warne rings to achieve maximum bearing surface. Compatible models include Knight-all round barrel models, Mossberg-680, 800, 50, 51, 151, 350, 351, Remington 541-T, 541-S and Westernfield-775, 780. Durable steel strength dual-component base Compatibility tailored for specific firearms - this product is designed to ensure precise fitment and optimal performance with designated firearm models 6-48 screws for 2-piece base - securely fasten components with these precision-engineered screws, designed for optimal stability and durability This product is meticulously designed and manufactured in the United States, ensuring high-quality craftsmanship and adherence to stringent standards