There is new artwork from the Clint Langley today showcasing the cover art for the Black Library release of "The Best of Hammer and Bolter", which is due to be released next July. This piece has incredible details, like the smoldering shell casings, and the inscriptions on the side of the gun.
via the Black Library
This guy is a Silver Skulls Space Marine, a Chapter made familiar to readers of Hammer and Bolter through Sarah Cawkwell’s series of short stories. This artwork will be on the cover of the 'The Best of Hammer and Bolter: Volume One', a compilation of the best short stories from the first twelve issues of Hammer and Bolter. The book will be available in July next year.