a) considerably larger bedding area of the system in the stock;
b) 4 system connection screws instead of 2 for an absolutely secure fit;
c) significantly longer connection between barrel and system sleeve for optimised barrel vibration;
d) enlarged abutment;
e) significantly improved shooting and vibration behaviour;
f) more running choices (660 mm, 690 mm, 500 mm with muzzle tube);
g) optimised balance through more massive Barreled action