Ammo: XM193 vs XM855

XM193 and XM855 are 5.56x45mm rounds that are used with the AR-15 platform. Most commonly, they are used by the US military in M4 and M16 rifles and carbines, but they are also two of the most popular 5.56 rounds among the civilian market (likely because of the military adoption). That’s about it for your history […]

Ammo: XM193 vs XM855