Yogi

SK's rifle uses rifled bores and fires regular lead/ copper jacketed bullets weighing in at a "modest" 2000 grains, I do not knoww for certain but I think the load may be a smokeless powder , possibly Blue Dot of over 100 grains

Safarikid will I am sure be along shortly to tell you more about the rifle i n question, save to say it is heavy at around 26lbs with 22" barrels, it has just been used in African and made some rather large holes in a Buffalo or two, the pictures have been hosted on either this or the AR forum along with the end results of a 900 grain .600" bullet from the Overkill cartridge.