Ammo Spectrum: 13 of the Newest and Best AR Cartridges

By Robert A. Sadowski

The cool thing about black guns (aka modern sporting rifles, or MSRs) is the ability to shoot a variety of calibers through the same platform. You can literally start by plinking with .22 LR ammo using a conversion-kit upper and end up hunting whitetail with an upper chambered in .450 Bushmaster. Then swap it back to 5.56mm for self-defense. Take the big-bore platform in 7.62mm, which is perfectly suited for hunting medium to big game. Perhaps you want to gun up for long-range shooting with a 6.5 Creedmoor upper. The firearms industry has created a wide spectrum of …Read the Rest

Source:: Tactical Life