The Ruger 90321 4B30HM Scope Ring in a sleek matte black finish is an essential accessory for any serious shooter looking to enhance their optics setup. Designed specifically for scopes with a 30mm tube diameter and a 42mm objective diameter, this medium scope ring provides a secure and stable mounting solution that ensures optimal performance and accuracy. Crafted as a genuine Ruger factory accessory, it reflects the brand's commitment to quality and reliability, making it a perfect fit for Ruger firearms or any compatible setup. Sold individually, this scope ring allows for customization based on your specific needs, whether you are engaging in hunting, target shooting, or tactical applications. The matte blued finish not only adds a touch of elegance but also reduces glare, ensuring that your focus remains on the target. With its robust construction, the Ruger 90321 scope ring is built to withstand the rigors of outdoor use, providing peace of mind that your optics will stay securely in place under various conditions. Elevate your shooting experience with this reliable and stylish scope ring that seamlessly integrates into your firearm setup.