Just got a Mini thirty. I ran the numbers and it was made in 1987. It brand new and has never been fired and I have the box and every thing. Was there any problems with the Minis in 1987? Some read some had horrible accuracy and jamming problems with steel ammo. Should I sale it and buy a new one. It has a beautiful wood stock on it. The new ones only come in plastic. Are there any thing a new mini owner should know?