DoubleA - Is that powder burns I see on that target? Just kidding, nice shooting.
300Winnie - You may want to also consider IMR4064 or IMR4895.

Thanks fellas.....I just finished loading up 5 rounds of each, 48.0, 48.5, 49.0 and 49.5 grains of R-19 using the Nosler 70 gr BT and will post results if I get out and shoot Thursday.

When I loaded the 243, The only powder I kept on the shelf was H414. Its accurate and efficient.

No one using RL-15? Good from .22 cals up to .308. Kind of like varget, but better.

I do use RL15 in my .243 Winchester currently. However, I use it with the 55 grain Nosler Ballistic Tip for about 3,825 fps. Great on coyotes.

I need to get my Chrono out and see what the 70's are pushing. I bet that I will be surprised.

RE-15 is another excellent powder I use it in several guns. It works great in the 257 Roberts. Once in a while the first thing you try works perfect,. Such was the case with that 243 and 414.