Among those who believe nothing short of a magnum cartridge is acceptable for big-game hunting, the 7mm Rem Mag vs 300 Win Mag squabble has been raging decades. Among the most popular and proven ...

These two magnum cartridges are closer than you might thing. The 7mm Rem Mag is pictured left, the 300 Win Mag is on the right.

300 Win Mag just a year later in 1963. Like the 7mm Rem Mag, the .300 Win Mag uses the .375 H&H case, shortened and necked down to fire .308 caliber projectiles. Thanks to the larger case capacity, ...

These are some impressive numbers. They explain in part the enduring popularity of the 7mm Rem. Mag. But to really appreciate this, let’s run a trajectory chart out to some crazy ranges. First, notice ...