For these I used :
Great Coats - Vallejo Model Color German Grey ( 167 ) highlighted with VMC Luftwaffe Uniform WWII (105)
Carapace Armour/ Helmet - First coat VMC Luftwaffe Uniform WWWII (105) , then VMC French Mir Blue (59) , with extreme highlights of
GW's Astronomican Grey
Trousers -
GW's Fenris Grey highlighted with VMC French Mir Blue (59) and
GW's Astronomican Grey
The guns were basecoated Boltgun Metal, then a very watery wash of black ink mixed with Windsor and Newton Matt Acrilyc Medium, then a very watery wash of Chestnut Ink and the Medium then a "damp brush" of Boltgun Metal to finish.
Photo's a bit dark on the grenadiers sorry - the
WiP of the Heavy Stubber may be better