AC12. Good to know. I made my own anyway. Easy enough with a lathe and proper tooling. Mine are polycarbonate. JMJ
10 meter ...FWB 300 or Diana 75 which are early 80's era World class 10 meter spring guns, still to this day can be found and resealing service parts are available.Both can be found +/- 5-6 bills with recent rebuilds done.