The Horus Heresy: Special Weapons Upgrade Set sm and has the option to

and has the option to brandish an anchor

Their Captain can take either a volley pistol or aetherflare pistol

Alternatively

Warbands of the Chaos Space Marines are more often than not motley assortments of Heretic Astartes

Kick off your Idoneth Deepkin collection with this specially selected starter set

The Horus Heresy: Special Weapons Upgrade Set sm and has the option toTactical Support Squads replace the utilitarian bolter of their comrades with more specialised weapons, enabling a Legiones Astartes strike force to act with even more versatility and engage a wider range of targets on its own terms. Each of the armaments used by Tactical Support Squads has its place flamers are ideal for clearing bunkers, trenches, and urban zones, while rapid firing rotor cannons see use against hordes of lightly armoured foes.