Dry brushed the outer coat with Nurgling Green - wasn't worried if the inner coat got covered as well.
Edge highlighted the Sons of Horus Green inner coat with Gauss Blaster Green
All armour is Two Thin Coats Dwarven Iron, though Iron Warriors will work too. Edge highlighted with Stormhost Silver
Boots, gloves and rubber tubing is AK Rubber Black - AK11027
Leg wraps are Karak Stone with Agrax Earthshade shading.
Leather straps and pouch are Doombull Brown
Wood for handles and scenery is Karak Stone with Wyldwood shading
Metallic gold emblems are painted with Retributor Armour
Gun was base coated in Abaddon Black with Iron Warriors in sections and Nuln Oil shaded.
Armour and gun were edge highlighted with Stormhost Silver
Backpack - Iron Warriors base coated, pipes are Word Bearers Red straps Doombull Brown brass fittings are Hashut Copper and finally Nuln Oil over everything!
Helmet was painted with Abaddon Black and dry brushed with Mechanicus Standard Grey