I have chronographed some of the WW econo box 45 JHP stuff thru my 223 UVarm. It averaged about 3,450 or so, and is very accurate. It is advertised at 3,600. However the same WW 45 JHP in 22-250 chronographed at 4,050-4,095 thru my 22-250 bolt rifle with a Shilen barrel. It is advertised at 4,000.