The Watch Sergeant can have their Boltgun replaced with 1 Combi-weapon.

For every 5 models in this unit, 1 Deathwatch Veteran model can have their Boltgun and Power Weapon replaced with 1 Stalker-pattern Boltgun and 1 Knives and Fists.

For every 5 models in this unit, 1 Deathwatch Veteran model can have their Boltgun and Power Weapon replaced with 1 Infernus Heavy Bolter and 1 Knives and Fists.

The Watch Sergeant can have their Power Weapon replaced with 1 Xenophase Blade.

For every 5 models in this unit, up to 2 Deathwatch Veteran models can each have their Boltgun and Power Weapon replaced with 1 Deathwatch Shotgun and 1 Knives and Fists.

For every 5 models in this unit, up to 2 Deathwatch Veteran models can each have their Boltgun and Power Weapon replaced with 1 Heavy Thunder Hammer.

For every 5 models in this unit, 1 Deathwatch Veteran model can have their Botlgun and Power Weapon replaced with 1 Frag Cannon and 1 Knives and Fists.

1 Deathwatch Veteran model can have their Boltgun and Power Weapon replaced with 1 Black Shield Blades.

For every 5 model in this unit, up to 2 Deathwatch Veteran models can each have their Boltgun and Power Weapon replaced with one of the following: 1 Boltgun and 1 Storm Shield, 1 Power Weapon and 1 Storm Shield.