Castle Nut and Endplate: Vital Components for Firearm Reliability
Understanding the Fortress: The Purpose of the Castle Nut The Core Function The **castle nut**, often overlooked, is a critical fastener that secures the buffer tube to the lower receiver. Its name stems from its distinctive, notched, and crenellated shape, resembling the battlements of a castle. This unique design is not merely aesthetic; it is … Read more