DrMike
Ballistician
- Nov 8, 2006
- 37,515
- 6,550
Another day at the range. I took a number of my rifles to use up some old ammunition prior to the fall hunting season. I'll work up loads during the summer for each of these. However, the 7mm RM was shooting quite well with some old 160 grain Fail Safe loads. I only had seven rounds left, and I popped them off. The 7WSM shot a really good set with 160 grain Sierra HPBT bullets, which I never used afield in this particular rifle. The .358 is still dead on with the 200 grain TSX, as was the .280 with a variety of loads (139 grain Hornady InterLock, 140 grain BST and 150 grain Scirocco).
I also took a 338 RUM for load development. I previously showed some pictures of this handsome rifle.
It shot two sets of loads quite well. It isn't even broken in, yet. So, the loads will only improve.
With Retumbo, the groups were adequate and the velocities were up to ~2950.
With Magnum, the rifle began to shine.
I'll work up a set with the final load of Magnum and another series charged with VN570 to check for accuracy and velocity. Hopefully, I'll have this at the range on Saturday to complete work with this particular rifle.
It was a fairly hectic day as there were several people asking for help on various issues presenting themselves. I had a newer shooter pushing himself with considerable success to targets posted at 300 yards. That was gratifying. I had a long-time shooter who didn't know how to perform break-in on his new 7RM (Kreiger barrel, and it shot very well indeed). I managed to get him squared away and on his way with a big smile on his face. Then, there were the long-time friends that had other questions that fall into areas of expertise that are some years behind me. In all, a gratifying and productive day.
I also took a 338 RUM for load development. I previously showed some pictures of this handsome rifle.
It shot two sets of loads quite well. It isn't even broken in, yet. So, the loads will only improve.
With Retumbo, the groups were adequate and the velocities were up to ~2950.
With Magnum, the rifle began to shine.
I'll work up a set with the final load of Magnum and another series charged with VN570 to check for accuracy and velocity. Hopefully, I'll have this at the range on Saturday to complete work with this particular rifle.
It was a fairly hectic day as there were several people asking for help on various issues presenting themselves. I had a newer shooter pushing himself with considerable success to targets posted at 300 yards. That was gratifying. I had a long-time shooter who didn't know how to perform break-in on his new 7RM (Kreiger barrel, and it shot very well indeed). I managed to get him squared away and on his way with a big smile on his face. Then, there were the long-time friends that had other questions that fall into areas of expertise that are some years behind me. In all, a gratifying and productive day.