Thanks - I know about the two rounds. My testing was done with the Duty Ammo, which is the higher velocity one. I have found this wide variation before with a different lot. I do not think it is my Glock because other ammo, like the Corbon, is very consistent. However, two tests do not make enough evidence to condem the load. I think GD's are good bullets, but I generally went with manufacturers that load the bullet hotter like BB and DT. Unfortunatly now they are not using the 357 Sig GD bullet. It is a GD, but looks and weighs out like the 124 grain 9mm.
I do not know when the 357 HST bullets was designed. I only found out about it two months ago.
Last edited by PghJim; 02-14-2010 at 11:32..