You definitely have to tune the bow and sight it in with the quiver attached, then you'll be used to it and it will not significantly affect accuracy.” “A bow quiver can be heavy when full of hunting arrows, making it harder to steadily hold the bow up when aiming and shooting,” he said.
Should you shoot a bow with the quiver on?
While shooting with your quiver off is convenient, I've found it to be disastrous while hunting, especially when hunting western big game on the ground. With my quiver mounted to my bow, another arrow is always in arm's reach, and grabbing that arrow doesn't require a big movement.
Is a faster bow more accurate?
Generally, the faster a bow is, the harder it is to shoot. ... But when small form variations occur, accuracy suffers more than it would with a slower bow, which usually has a larger brace height (more forgiving) and is easier to draw (which makes it more fun).