The Leupold QRW Cross-Slot Base Set for Nosler M21 is a matte black, high-strength mounting solution designed to provide robust, reliable scope attachment for standard and magnum calibers. This cross-slot system features Weaver-style rings that seamlessly integrate with both Weaver and Picatinny rails, delivering exceptional versatility across a wide range of rifles. The QRW2 mounts are favored for their user-friendly design and offer approximately +/- MOA accuracy when removing and replacing your optic, helping maintain precise alignment in the field. Crafted from durable materials, these mounts withstand the rigors of hunting and shooting, delivering unmatched strength and reliability. Whether you prefer the classic look of the LRW series or the lightweight Open Range design made from 6061-T6 aluminum, you can trust these mounts to securely link your scope to your firearm and optimize overall shooting performance. Proudly made in the USA, the Leupold QRW Cross-Slot Base Set is an indispensable accessory for serious shooters seeking secure mounting, precision, and confidence in every shot.