mine is 3 #1 i use the most 270 win then 25-06 then a 250-3000 these are all savages this year going with this 250-3000 model 99 A with a 2x7x 28 leupold groups at 100 yards 1.250 with 100gr bullets the 2506 is a 3/4 inch gun as is the 270