Offset drop forward. I've actually got 2 Ys. But only one is currently on an active gun. Perfect balance between the z and a vert frame to me.
ya i think i read it some where. only 10 tactical and only 2 tactical that went over the top of the barrel.
Nummech drop forwards are now available for The Mini GS and Axe Pro. I'll get to see if the Axe Pro is a keeper.
I've always wanted to try