I just got this bag from Amazon:

https://www.amazon.com/gp/product/B07PHQGYRX/ref=ppx_yo_dt_b_asin_title_o08_s00?ie=UTF8&psc=1

Not too large, can fit the Win Max, some accessories, and some space to spare for some other stuff. Can't complain about the price though, $9.99!