Quote Originally Posted by GRAZY View Post
I may be wrong but I think I read that the hw45 was first designed by Beeman as the p1. Weihrauch chose to put in a spring as it was pneumatic to start and so was born the HW45 as we know it. If you want power go for the HW45, if you want to do 10m target the 75 is fine. There is now the 45 star versions too with spring and target grip.
Beeman is not a manufacturer. They rebrand and distribute. HW {Weirauch manufactures the HW 45 and others.
My HW 75's get 420 and 450 fps. respectively.
You could try shimming the breech seal slightly.