any one .50 Assault Rifle to choose (see description)

Assault Rifle 15

Anti-Armor Assault Rifle (+50% critical damage, 25% less VATS AP cost)

Anti-Armor Assault Rifle (25% faster fire rate, 25% less VATS AP cost)

Anti-Armor Explosive Assault Rifle (25% less VATS AP cost)

Bloodied Assault Rifle (+50% critical damage, 25% less VATS AP cost)

Bloodied Assault Rifle (25% faster fire rate, 25% less VATS AP cost)

Bloodied Explosive Assault Rifle (25% less VATS AP cost)

Quad Assault Rifle (+50% critical damage, 25% less VATS AP cost)

Quad Assault Rifle (25% faster fire rate, 25% less VATS AP cost)

Quad Explosive Assault Rifle (25% less VATS AP cost)

Two Shot Assault Rifle (+50% critical damage, 25% less VATS AP cost)

Two Shot Assault Rifle (25% faster fire rate, 25% less VATS AP cost)

Two Shot Explosive Assault Rifle (25% less VATS AP cost)

Vampire's Assault Rifle (+50% critical damage, 25% less VATS AP cost)

Vampire's Assault Rifle (25% faster fire rate, 25% less VATS AP cost)

Vampire's Explosive Assault Rifle (25% less VATS AP cost)