BudsGunShop.com - Will this fir Black Aces Tactical Pro Series

YES, Black Aces Tactical Pro Series M accepts off the shelf Saiga 12 magazines. I hope this helps

Kyle, from BAT website "Best of all, these weapons accept off the shelf, inexpensive Saiga 12 magazines. For years the number one gun customers and dealers have asked for is a pump and semiautomatic that accepts off the shelf Saiga 12 magazines. You asked for it, and now you’ve got it!" Details here >>>> https://blackacestactical.com/product/pro-series-m/

Kyle, yes Sir. Demo here : youtube.com/watch?v=XVq-X2bsFfo