I have the Armscor 20C model - same basic action as yours, in a stock inspired by the Ruger 10-22. Decent finish, nice wood, excellent performance! It easily outshoots my fairly recent Ruger 10-22.
Numrich has magazines - the OEM 10-rounder is twice the price of the after-market 15 rounder. I haven't found thirty-round mags.
Mine is currently wearing a Simmons 3-9X32 Deerfield scope.
She is very reliable - keeps on going and going........
Excellent value for the money - I paid $175 at the local gunshow a couple years back.
Here she is, on the bottom: