I have a 1 in 8 twist 6mm Remington with a 29" barrel which I have considered improving and lengthening the throat on. This is my long range coyote rifle, which I would like to make as flat shooting and wind defying as reasonably possible out to around 700 yards. I am currently shooting 105 Amax at 3200 fps. Is the "improvement" worth it? The rifle is built on a standard Model 70 action, so I have plenty of room.