ojibweindian
Member
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Just thought I'd post data I've collected; I've been roaming to and fro on the 'net and have noticed that there's not a lot of data concerning 780 and the 7mm Rem. Mag.
Powder: Winchester Supreme 780
Bullet: 150 grain Remington Core-Lokt
Primers: CCI 250 and WLR
Shot strings consist of 5 rounds.
Using a WLR:
59.0 grains - 1.34"
59.5 grains - 1.63"
60.0 grains - 3.02"
60.5 grains - 1.47"
61.0 grains - 2.56"
61.5 grains - 2.86"
Using a CCI 250:
63.9 grains - 1.83"
64.3 grains - 1.71"
64.7 grains - 2.75"
65.1 grains - 1.44"
I've a few more loads with the CCI 250; 65.5 grains, 65.9 grains, 66.3 grains, and 66.7 grains.
Anyway, I'm pretty happy with the 65.1 grain load as 1.44" for a 5 shot group using a Core-Lokt bullet is pretty good. A Core-Lokt has a great reputation as a hunting bullet, but it's not a Match King by any stretch of the imagination. Anyway, I might start playing with seating depth to see if I can tighten things up a bit, but there's no hurry. And I'd like to see how my final four loads perform first.
So, there ya go. As I learn more about 780, I'll dump the data on this thread.
Just thought I'd post data I've collected; I've been roaming to and fro on the 'net and have noticed that there's not a lot of data concerning 780 and the 7mm Rem. Mag.
Powder: Winchester Supreme 780
Bullet: 150 grain Remington Core-Lokt
Primers: CCI 250 and WLR
Shot strings consist of 5 rounds.
Using a WLR:
59.0 grains - 1.34"
59.5 grains - 1.63"
60.0 grains - 3.02"
60.5 grains - 1.47"
61.0 grains - 2.56"
61.5 grains - 2.86"
Using a CCI 250:
63.9 grains - 1.83"
64.3 grains - 1.71"
64.7 grains - 2.75"
65.1 grains - 1.44"
I've a few more loads with the CCI 250; 65.5 grains, 65.9 grains, 66.3 grains, and 66.7 grains.
Anyway, I'm pretty happy with the 65.1 grain load as 1.44" for a 5 shot group using a Core-Lokt bullet is pretty good. A Core-Lokt has a great reputation as a hunting bullet, but it's not a Match King by any stretch of the imagination. Anyway, I might start playing with seating depth to see if I can tighten things up a bit, but there's no hurry. And I'd like to see how my final four loads perform first.
So, there ya go. As I learn more about 780, I'll dump the data on this thread.