2ND AMEN EDC Blog
The Best Gun Rails for Your Weapon: Picatinny, Weaver, KeyMod, and M-LOK Explained.
Rail systems for guns are mounting systems that allow the attachment of accessories, such as sights, scopes, and bipods, to firearms. The most common types of rail systems are the Picatinny rail, the Weaver rail, the KeyMod and M-LOK.