W V Hunter,what load do you use with the 280,mtn rifle,and the 139 gr,is that the sst' s?I have the 280 in rem bdl w/24in barrel,shooting 59 grs H4831 and 139 sst,went to range last monday shot a 3 shot group of .495 at 200 yds,it was the only 3 I had loaded with that grs of powder,looking forward to shooting that load at 100 and 300 to see how it does.I have a 30/06 in the mtn rifle and it shoots good,with the 22 in barrel,and was wondering how tight the 280 mtn rifle shot?