Has anyone tried us869 powder

Mine likes 165 to 200 grain that's kinda why I'm looking to get velocity right now I got a load very accurate. But was lucky firt load I tried but I am loading 122 grains and the information I got was 123.5 to max with only 48,800 pressure just curious how far I could take to about 60,000 pressure

Bragging rights about hypervelocity using a 30-378 is not what the rifle was made for. Who cares! The barrels have a very short life time. get some tiny cal and try for over 4500 fps.

The 210 hunting bullets are superb like this.

 
sure have, with the two on the left

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