SIG Sauer is expanding its line of personal defense loads with two accurate and effective loads in .44 Special and .45 Colt. Each of these loads offers good accuracy and a clean powder burn. Muzzle flash is limited. Recoil is modest. For anyone owning a new revolver in these big bore calibers or those owning an older revolver they wish to press into service, these are good choices. Read Bob Campbell’s full review.