Refined material construction removes the innate hipfire movement speed penalty, reduces the movement speed penalty while aiming by 50%, and increases the weapon's angular recoil by 33%.
While in use, lightweight materials remove the permanently 10% penalty to the user's movement speed and increase the movement speed multiplier while aiming from 0.5x to 0.75x. In exchange, the weapon's horizontal recoil angle is increased by 5 degrees, an increase of 33%.
