4 Alternative AR 15 Cartridge Options to Consider for the AR 15 Platform and Why

The AR 15 platform was initially developed for the 556 NATO/223 Remington cartridges, but the platform can be easily modified to accommodate a variety of alternatives including everything from 22 LR to 50 Beowulf cartridges. The versatility to handle loads from 22 LR to 50 Beowulf makes the AR 15 such a dynamic, successful firearms platform. Here are a few alternative cartridges you might want to try.