What Is Magnum Ammo?

Ammunition can be confusing. It even confounds the experts on occasion. Take the term “magnum ammo,” for instance. Nothing clearly defines the parameters of a magnum cartridge, and no one, including the NSSF, regulates the term. The word “magnum” didn’t apply to ammunition initially. It’s an old Latin…
M855 VS M193

M855 VS M193

You probably already own a host of firearms chambered in 5.56x45mm NATO. This popular cartridge was first developed in the 1970s by FN Herstal for the M-16 battle rifle used during the Vietnam War. The AR-15 rifle, which is the civilian version of the M-16, also takes advantage…
45 ACP VS 10mm

45 ACP VS 10mm

For a lot of firearms owners out there, even experienced ones, the choice of a handgun caliber can be a difficult one. If you’ve already decided a big-bore cartridge is right for you, stopping power is going to be a key factor. The difficulty in choosing between two…
Green Tip Ammo

Green Tip Ammo

Whether you recently purchased your first AR platform rifle or have been shooting for quite some time, chances are you have probably heard the phrase “green tip ammo.” This popular 5.56 cartridge is also sometimes referred to as a “penetrator round” due to its 62-grain projectile, partially steel…
a photo of the coriolis effect

Long-Distance Shooting: What Is The Coriolis Effect?

By Guy J. Sagi Sleek flying bullets, improved cartridge design and firearms held to strict CNC tolerance contribute to any new long-distance shooting records, but there is more involved than just the latest and greatest. To connect regularly at 1,500 yards and beyond marksmen must adjust for a…
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