Load info;
.280 rem
winchester brass
140 gr AB
57 gr RL19
I went to the range today and shot my .280 I just bought a new can of powder so I loaded 5 rounds to test. I took them and previosly loaded rounds. the powder has different lot numbers.
My first group with the previosly loaded, tried and tested rounds was less than an inch, 2 inches high at 100 yds. this is where this rifle is sighted in.
Next was the 5 test rounds out of the new lot of powder. all five was less than 3/4 of an inch, but the group is 4 inches low from the first group.
group one averaged 2860 fps, group two from the new lot averaged 2880 fps
shot a third group with old lot and had the same results of the first group
I have never had this big of a varible when going to a new lot of powder, so my question is;
Is this have I been lucky in the past and this is normal or is this an extreme result?
sorry no pics left the target at the range
thanks for any input
.280 rem
winchester brass
140 gr AB
57 gr RL19
I went to the range today and shot my .280 I just bought a new can of powder so I loaded 5 rounds to test. I took them and previosly loaded rounds. the powder has different lot numbers.
My first group with the previosly loaded, tried and tested rounds was less than an inch, 2 inches high at 100 yds. this is where this rifle is sighted in.
Next was the 5 test rounds out of the new lot of powder. all five was less than 3/4 of an inch, but the group is 4 inches low from the first group.
group one averaged 2860 fps, group two from the new lot averaged 2880 fps
shot a third group with old lot and had the same results of the first group
I have never had this big of a varible when going to a new lot of powder, so my question is;
Is this have I been lucky in the past and this is normal or is this an extreme result?
sorry no pics left the target at the range
thanks for any input