The author used a Shooting Chrony Beta Master to measure the differences between shooting with and without a suppressor on this Barrett MRAD .338 Lapua Magnum.
If you want the best accuracy from your rifle, at the desired velocity, then a strong case can be made for a chronometer or chronograph. The primary source of accuracy is uniformity. This includes having a well-built gun, the shooter using the same grip, aiming and squeezing precisely the same from shot to shot, as well as having ammunition where each round fired is just like the previous.
If your ammo puts all shots in one hole, then it’s pretty obvious that your load is uniform. If you are dissatisfied with group size, the best place to start is to make sure your load’s velocity is uniform. With a chronograph, you can measure velocity and uniformity, and see if the average velocity meets objectives safely.
There’s no guarantee that ammo with uniform velocities will always shoot the smallest groups, but it’s a good place to start. If you know the uniformity and the average velocity of each tested load, you can find the best load in less time.
The author used a Shooting Chrony Beta Master to measure the differences between shooting with…
by John Larsen / May 1, 2012