The Firing Line Forums - View Single Post - Different Bullet Weights But Same Impact Point?

Scorch · February 21, 2017, 06:25 PM

My 7X57 will print 140, 145, 150 qnd 154 gr bullets very close to each other at 100 yds. At 200 they are still pretty close, so much so that I could use the same sight setting out to 200 yds and still hit an animal. By the time they get to 300 yds, however, the trajectories start to deviate quite a bit. And those bullet weights are all within 10% from lightest to heaviest. If I throw in 100 gr, 120 gr, 130 gr, 168 and 175 gr, there is no way I could use the same sight setting for the whole spectrum. It has a lot to do with the rifle, powder, etc, but it is rare enough to see a rifle print different bullet weights at the same POI at 100 yds, let alone 300 yds.

February 21, 2017, 06:25 PM	#15
Scorch Senior Member Join Date: February 13, 2006 Location: Washington state Posts: 15,248	My 7X57 will print 140, 145, 150 qnd 154 gr bullets very close to each other at 100 yds. At 200 they are still pretty close, so much so that I could use the same sight setting out to 200 yds and still hit an animal. By the time they get to 300 yds, however, the trajectories start to deviate quite a bit. And those bullet weights are all within 10% from lightest to heaviest. If I throw in 100 gr, 120 gr, 130 gr, 168 and 175 gr, there is no way I could use the same sight setting for the whole spectrum. It has a lot to do with the rifle, powder, etc, but it is rare enough to see a rifle print different bullet weights at the same POI at 100 yds, let alone 300 yds. __________________ Never try to educate someone who resists knowledge at all costs. But what do I know? Summit Arms Services