Yes, this takes AR12 magazines and mka 1919 style magazines. Buds has a 10 round one in stock, item number T10MAG , just type the item number into buds search and itll pop up. Hope this helps.

Buds also has 10, 15 and 20 round drums in stock. Just type in mka 1919 magazine into buds search and a couple will show.

David, ------ https://themagshack.com/shop/shotgun-magazines/12-gauge-magazines/ar-12-magazines/promag-mka-1919-ar-12-12-gauge-10-round-magazine/