Picatinny cross slots extend the entire length of the rail, providing shooters with flexibility in mounting scope rings and other accessories. EGW's one-piece scope mounts are an ideal choice for both hunters and tactical shooters. This mount features a picatinny-style base and is compatible with both picatinny and weaver scope rings. EGW manufactures these mounts in-house using their machining centers. Post-machining, the mounts undergo tumbling, sandblasting and type III anodizing to ensure long-lasting durability. Recommendations - Use a 0 MOA mount for shooting distances of 0 yd - 500 yd and a 20 MOA mount for 500 yd - 1000 yd. When zeroing a rifle with a 20 MOA mount, EGW advises zeroing at 200 yd. For installation, EGW recommends applying 20 in-lb of torque and a drop of blue Loctite (sold separately). All components, including mounting screws, wrench and packaging, are manufactured in the USA. The EGW CZ 527 16mm picatinny scope mount is a single-piece rail system for attaching scope rings and accessories, optimized for 0-500 yd with 0 MOA elevation This USA made mount, crafted from durable anodized aluminum, requires 20 in-lb of torque and blue loctite for proper installation The device is compatible with picatinny and weaver rings, providing versatile options for various tactical and hunting configurations