All of Contessa’s Quick Release Scope Bases & Rings are made in Italy with a combination of the most advanced technology, high quality materials, and expert technical skills. These scope bases/rings are precision machined from solid steel and are designed to guarantee maximum stability and a long service life. They attach to the host weapon via Contessa’s Steel Insert System, which utilizes a quick release lever and hardened tri-alloy steel inserts to ensure a rock-solid connection and 100% repeatability when switching from one scope mount to another. Contessa offers a massive selection of mounts for many of today’s popular firearms and brands such as Remington, Savage, Blaser, Sako, and more. Features: Attaches to host weapon via quick release lever and hardened tri-alloy steel inserts to ensure a rock-solid connection and 100% repeatability Options are available for many of today’s popular firearms and bands Precision machined from solid steel Long service life Made in Italy Contessa Picatinny Rail Adapter for SB02/SBP01 Night Vision Device QR Mounts EB01