August 1914 proved to be a bloody month for the armies of the Great Powers because infantry tactics had not caught up with technology—including the firepower of bolt-action rifles. We continue our look at the main rifles of the opening days of World War I with range work and commentary from American Rifleman's panel of firearm historians. Ruger suspended production of its over-under Red Label to make some improvements and bring the price down. It's back and better than ever, and Mark Keefe takes you through it. The Avtomat Kalashnikova is, hands down, the most produced firearm in history. Made all over the world, one of the most plentiful variations is the Chinese Type 56, which is this week's "I Have This Old Gun."