Video: GearScout Guide: First look at the Sig Sauer MCX Spear Next-Gen Squad Weapon-Rifle

This is Sig Sauer's answer to the Army requirement for a Next Generation Squad Weapon Rifle. The MCX Spear is a contender to replace the M4 for ground combat units and fires a new round in 6.8x51mm. The Army wants a rifle that will be more lethal, at greater ranges and lighter weight than the M4 and SAW.

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