Technical specifications
The Picatinny locking slot width is 0.206 in (5.23 mm). The spacing of slot centers is 0.394 in (10.01 mm) and the slot depth is 0.118 in (3.00 mm).
[4] The only differences between the Picatinny rail and the similar
Weaver rail are the size of these slots and the fact that they are standardized.
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