Snowshoes, snow caves, snowmobiles, and firearms—at this Navy SEAL's snow survival school, the right gear only goes so far.

Mobile has a vast arsenal of guns, but few are as popular as the M4 assault rifle. Endlessly customizable, the US-made M4 is ...

What are the real differences between .223 Remington and 5.56x45mm NATO? Here we dive into the nuances of ballistics, case dimensions, chamber pressure, history, and more.