The plastic magwell on the Howa mini seems to be its weakest point, and has a history of breaking. There are a number of options including MDT's bottom metal that uses Howa's magazine.
https://mdttac.ca/mdt-howa-mini-bottom-metal/
Jefferson Outdoors offers hinged floorplate, blind magazine, and bottom metal that uses Howa's magazine.
https://jeffersonoutdoor.com/bottom-metal/
Diversified Innovative Products also offers bottom metal that accepts Howa's magazine
https://www.diproductsinc.com/Products.aspx?CAT=12462
Oregunsmithing also offers a hinged floorplate solution
http://www.oregunsmithingllc.com/
The latter is/was in stock, so I ordered one. It will make the rifle more slender at the balance/carry point, and still allows quick unloading.
https://mdttac.ca/mdt-howa-mini-bottom-metal/
Jefferson Outdoors offers hinged floorplate, blind magazine, and bottom metal that uses Howa's magazine.
https://jeffersonoutdoor.com/bottom-metal/
Diversified Innovative Products also offers bottom metal that accepts Howa's magazine
https://www.diproductsinc.com/Products.aspx?CAT=12462
Oregunsmithing also offers a hinged floorplate solution
http://www.oregunsmithingllc.com/
The latter is/was in stock, so I ordered one. It will make the rifle more slender at the balance/carry point, and still allows quick unloading.