Warhammer Horus Heresy Legions Astartes Heavy Weapons Upgrade Set - Missile Launchers and Heavy BoltersWarhammer Horus Heresy Legions Astartes Heavy Weapons Upgrade Set Missile Launchers and Heavy Bolters Heavy Support Squads provide the Legiones Astartes with mobile, infantry portable firepower sufficient to bring down hordes of enemy troops or smash armoured vehicles apart with withering hails of fire, combining devastating armaments with all the flexibility of a footsoldier. Heavy bolters are the largest bolt weapons available to infantry,