Air temperature changes bullet trajectory by increasing or decreasing atmospheric density. This seems counter intuitive to some folks, but cold air makes a given load strike lower. Hot air makes the same load strike higher. Shooters can count on this: Expect to shoot … [Read more...] about How Air Temperature Changes Bullet Trajectory
A reader recently requested a ballistic comparison between same weight bullets in a 300 Win. Mag. and 7mm Rem. Mag. launched at maximum velocities for each. (See previous 300 WM vs. 7mm RM comparisons on this site here and here. These demonstrate there's more than one way to run … [Read more...] about 300 Win Mag Races 7mm Rem Again!
The popular new kid in the rifle world is the 6mm Creedmoor. It’s winning all kinds of target competitions. It’s also dropping pronghorns, whitetails, mule deer, coyotes, and even elk — and I’m not buying one. Before I tell you why, let’s examine this magical new cartridge in … [Read more...] about Why I’m Not Buying 6mm Creedmoor
How Much Performance Do You Lose to a Short Barrel on Your Hunting Rifle? Short barrels bother some hunters. They shouldn’t. It’s true that short barrels usually cost you some velocity. A cartridge/bullet fired through a 24-inch tube will generate more speed than the same … [Read more...] about Short Barrel Performance Loss
What exactly are controlled expansion bullets? Darned useful missiles for taking big, big game -- and smaller game when applied properly. Traditional cup-core big game bullets (detailed in this previous blog) work well at “standard” impact velocities. Cup-and-core bullets are … [Read more...] about Controlled Expansion Bullets Explained
Any fair-minded shooter interested in clever cartridge design and efficient performance must respect the rarely seen 284 Winchester. This “short-fat” case pushing high B.C. bullets was decades ahead of its time. In practical terms, the 284 Winchester is no … [Read more...] about Mysterious, Magical, Disappearing 284 Winchester
In a previous blog we investigated the subtle differences between the 7mm Rem. Mag. and 300 Win. Mag. when firing optimum bullets in each. In this update, we’re going to investigate real-world performance differences among some readily available factory loaded … [Read more...] about Factory 7mm Rem. Mag. vs. 300 Win. Mag.
A war’s been raging since 1963. That’s the year Winchester brought to market its now famous 300 Winchester Magnum. That introduction was, I’m guessing, retaliation against Remington’s 1962 release of its equally famous 7mm Remington Magnum. Each cartridge … [Read more...] about 7mm Rem. Mag. vs. 300 Win. Mag.