.327 Federal Federal Magnum & Ruger SP01 Slideshow G&A Staff - January 04, 2011 By Dick Metcalf Newest addition to Ruger SP101 family is .327Federal Magnum. Compact SP101 in 327 Federal Magnum holds six rounds, in contrast to five shots in compact .38 Special guns. Federal's Ammunition Product Manager Drew Goodlin and Dick Metcalf examine .327 Magnum bullets recovered from penetration tests. New 327 personal defense load -- The 85-grain Hydra-Shok .327 Federal Magnum load is designed specifically for personal defense." New Ruger SP101 327 FM -- "Ruger's compact SP101 is an ideal platform for the new .327 Federal magnum." 327 Federal Magnum is extremely comfortable and controllable to shoot in Ruger all-steel SP101. Solid crane latch design of Ruger SP101 easily handles high-pressure of .327 Federal magnum cartridge. Cylinder bolt notches of SP101 are offset from center of chambers to add strength to design. Wraparound rubber grip of SP101 was designed for .357 Magnum recoil; makes shooting the .327 Federal Magnum a breeze. Low-profile cylinder release latch on SP101 is fast and easy to manipulate. ATK is introducing the new .327 Federal Magnum with three different loads: Federal Premium 85-grain HS Personal Defense load, American Eagle 100-grain JSP, and Speer 115 Gold Dot."