Prime

1. Spray with Chaos Black (?? Or airbrush Abaddon Black ??)

Armour Edge Highlight

1. Edge highlight with Thunderhawk Blue

Metal Arm & Shoulder

1. Basepaint with Leadbelcher (or Grey Knights Steel ?)
2. Dry brush with Stormhost Silver
3. Paint shoulder skull and crossbones with Retributor Armour
4. Wash with Nuln Oil

Leather

1. Paint all with Dryad Bark
2. Paint again with Rhinox Hide . Stay away from edges for edge-highlights

Krack Grenades

1. Basepaint with Corvus Black
2. Paint retaining loops with Warplock Bronze
3. Paint rings with Leadbelcher

Headtaker Belt-Pack

1. Leather in Dryad Bark then Rhinox Hide
2. Skull and edging in Retributor Armour
3. Grapple hook in a 1:1 ratio of Leadbelcher and Abaddon Black
4. Gun in Corvus Black
5. Notch on back of gun in Warplock Bronze
6. Necron head in Leadbelcher , washed in Nuln Oil then Agrax Earthshade
7. Necron flayed skin in Rakarth Flesh then washed in Reikland Fleshshade

Headtaker Swords

1. Blades: Layer on Ironbreaker , then highlight with Stormhost Silver
2. Crossguard/knuckle duster handle: paint in Warplock Bronze
3. Grip: Rhinox Hide

Hammer

1. Prime in Chaos Black or Abaddon Black