I have but I'm always looking for more info. On a few other sites I found some fairly negative comments on h414 and win 760. Some say its quite temp sensitive (inconsistent accuracy and velocity) , and dirty. Wondering if others have seen this.
Just to reiterate, I've matched a course record at a long range match with 760 (414) with the 139 Lapua Scenar in the 6.5 Creedmoor.
There has been a total of 8 (eight) 58's shot on the Whittington Sporting Rifle Match since its inception. Started in 2005 I believe shooting 8 months (8 shoots per year). Sometimes over 70 people attend each match.
Conservatively 3600 matches shot and 8 have shot 58, the highest score ever shot with any rifle/component combination.
One was with Winchester 760 as the powder and I would bet the ONLY one.
...and you are asking if it will work???????