Think this should be tweaked. Recoil on a weapon is subject to the stance you are in and the way you hold the weapon. When prone, even under sustained fire, weapon climb (reciol) should not be so exessive that you are unable to put rounds down range within a reasonable grouping. Believe recoil should be reduced for lower stances to simulate a better control over weapon.
Weapon type and cailber should also be a factor, including additional stablilty measures like use of front grip, Bi-pod.