Roland Kaltenegger is the author of more than ten books on World War II including The Mountain Troops Of the Waffen-SS 1941-1945 and Weapons and Equipment Of the German Mountain Troops In World War II Martin Pegler is the Britain’s foremost authority on military firearms and specialises in the subject of military sniping. His specialist professional hands-on knowledge of the development of military firearms, ammunition and ballistics, gained during 20 years as Senior Curator of Weapons at the Royal Armouries Museum, is unparalleled.