Can you maybe help me on the code of the tops. I know now that the
KV3H is R-model tops but what is the KV3L ones? is this SP tops?

Thanks for the advice, this sure does explain a lot of things to me.

My barrels seem to be both SP ones as the one is a L1 and the other L2.
I just need some help on that KV3L top now. Thanks a lot ones again Andy.

Harold