Chronograph Evidence – Bullet Consistency

Below is the data from a 300 H&H Magnum.  We put a new barrel on the action, and I broke it in using Hoppes for removing the carbon and Sweets solvent for removing the copper.  We cleaned it again very thoroughly after the break-in.  I then shot and chronographed a 5 shot group (SERIES 1).  The group size […]

Chronograph Evidence – Bullet Consistency Read More »