Posted September 7, 2016 4:06 pm by Comments

By Tom Beckstrand

accuracy-testing-a-rifle-8

The MagnetoSpeed chronograph attaches to the muzzle end of the barrel and uses electromagnetic disturbance to accurately measure velocity. It doesn’t require bright light to work effectively.

In the first part of our accuracy-testing column, we covered the importance of building a good shooting position and how we do it here at Guns & Ammo. In this second part, we’re going to talk about how we select ammunition and other ancillary equipment in our quest to squeeze every last bit of accuracy.

Ammunition

We favor testing rifles with match ammunition because we often don’t have the time to develop optimal handloads for each gun, and match ammunition is, by design, intended to shoot well out of most rifles. We see no need to penalize a rifle by testing it with hunting ammunition that it may not like and then publishing the accuracy data as a comprehensive indicator of how the rifle will perform. It is unfair for both the rifle and the ammunition.

The G&A staff favor match ammunition for quick and unbiased accuracy testing. It takes some thorough experimentation to find which factory hunting load a particular rifle likes best.

The distance between the bullet’s bearing surface and the rifling is …Read the Rest

Source:: Guns and Ammo

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