Please add an event for changing attachments that can be .IsAllowed = false'd.
Exiled has one under Exiled.Events.Handlers.Item.ChangingAttachments
I would really like to move away from using Exiled to purely using LabAPI, but have yet to find out any method of detecting or denying the changing of attachments of a held weapon.
#[Request] ChangingAttachments Event
agile flame
surreal arrow
Yes, this is planned