Tom,
With what Ray said about his case being a bit cramped around the headstock, the extra length there may be advantageous..., although 3-1/2" may be more than desired. Saw this 5 month old Cargo ad on Reverb and noted his used an Access gig bag:
https://reverb.com/item/76295271-com...coustics-cargo
Also saw these Cargo cases from Peavey on eBay:
https://www.ebay.com/itm/12504155173...Bk9SR8716dHcYw