It depends on the option(s) selected. Some of the components (McMillan in particular for stocks) are backordered 8-10 months. Panic buyers have a lot of vendors hopping right now, but manufacturers are not likely to expand their facilities for fear this is a temporary blip in demand, and for fears that certain guns will be banned by the new Dem Congress and BO.
The timeline is fine for custom job.
Keep me informed.