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Contessa's Picatinny rails are made from steel and come with their unique screws which fit nicely into the rail. The tolerances of the produced pieces are very tight – there are no deviations, the mounts are very carefully machined. This is one of the main reasons why Picatinny is a far better mounting solution.Ĭontessa is an Italian company, famous for producing aesthetically appealing mounts with a nice finish. Weaver's slot is 3.8 mm wide, which is why ring mounts made for a Weaver rail will also fit on a Picatinny rail while ring mounts made specifically for a Picatinny rail will not fit on a Weaver rail. Weaver has a few predesignated slots while Picatinny has slots all over its surface, allowing the device to be mounted wherever the user finds it fitting. Picatinny is a big step forward from the Weaver standard. Because of all its great qualities, Picatinny rail has been dominating the rail market in the recent years.
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It is affordable, resilient and reliable – this is why it so commonly used by professionals and military. It is simple to mount and interchangeable – if something is made for a Picatinny rail, it will fit regardless of the manufacturer or manufacturing date. Picatinny rail consists of slots with 5.23 mm spaces between one another, which means that it can be used across its entire length.