- It was designed in response to a request by the M2HB heavy machine gun, and as a complement to the heavier XM307 Advanced Crew Served Weapon.
- The "'XM307 Advanced Crew Served Weapon ( ACSW ) "'was a developmental suppress enemy combatants out to 2, 000 meters ( 2, 187 yd ), and destroy lightly armored vehicles, watercraft, and helicopters at 1, 000 meters ( 1, 094 yd ).