1. Prime with Mechanicus Standard Grey

Gold (Armour Trim)

1. Base with Retributor Armour
2. Shade the recesses with Agrax Earthshade
3. Highlight the edges and sharp points with Stormhost Silver

Black (Armour Panels)

1. Base with Abaddon Black
2. Highlight the edges with Eshin Grey
3. Highlight sharp edges and fine points with Dawnstone

White (Armour Panels)

1. Base with Celestra Grey
2. Layer with Ulthuan Grey
3. Shade the recesses with Agrax Earthshade
4. Highlight the edges with White Scar

Grey (Armour Ribbing)

1. Base with Mechanicus Standard Grey
2. Shade the recesses with Nuln Oil
3. Highlight the edges with Dawnstone

Silver (Details)

1. Base with Leadbelcher
2. Shade the recesses with Nuln Oil
3. Highlight the edges with Stormhost Silver

For grenades, replace Nuln Oil with Athonian Camoshade

Red (Cloth)

1. Base with Mephiston Red
2. Shade the recesses with Agrax Earthshade
3. Highlight the edges with Evil Sunz Scarlet
4. Finer highlight with Wild Rider Red
5. Highlight fine points and sharp edges with Fire Dragon Bright

Brown (Leather)

1. Base with Rhinox Hide
2. Shade the recesses with Agrax Earthshade
3. Roughly highlight the edges with Skrag Brown
4. Finer highlight with Ushabti Bone

Blue (Plasma)

1. Base with Sotek Green
2. Shade the recesses with Drakenhof Nightshade
3. Highlight along the edges with Temple Guard Blue
4. Finer highlight with Baharroth Blue
5. Highlight points with Baharroth Blue mixed 1:1 with White Scar

Green (Grav)

1. Base with Caliban Green
2. Shade the recesses with Nuln Oil
3. Highlight the edges with Warpstone Glow
4. Finer highlight with Moot Green