Hi all,
I shot my first "F-Class" match at 300 yards over the weekend, the club makes use of electronic targets which I have never shot with before.
I had tested some rounds and settled on one load that worked well. Plugged all the relevant data into my ballistic calculator and it gave me data to dial up +0.7 Mrad from Zero to be on at 300 yards. Weeks before the match I shot at a steel plate at 300 yards using that data and put 3 shots right in the centre of the plate. I was happy with this.
Fast forward to the match and before shooting at the electronic targets the range officers asked me to fire at a ring to the side of the berm just to verify that I would be on target. So I dial up 0.7 and sent one round and it middled the ring. Range officer was pleased and onto the electronic targets I went.
First shot was 6 inches low and 3 inches left. So was the 2nd. I had to walk my rounds up and across the target to find the bullseye. Overall I had to adjust elevation +1.3 Mrad which according to my ballistic data would put me on at 410 yards which seems like a pretty big error.
I use Berger bullets and a Xero coupled with a weather station so trust that the B.C and muzzle velocities/weather inputs are correct so it has me a bit baffled.
Do electronics shift your POI at all? E.g are the sensors offset or something? What do you think has happened here because I am a bit stumped.
I shot my first "F-Class" match at 300 yards over the weekend, the club makes use of electronic targets which I have never shot with before.
I had tested some rounds and settled on one load that worked well. Plugged all the relevant data into my ballistic calculator and it gave me data to dial up +0.7 Mrad from Zero to be on at 300 yards. Weeks before the match I shot at a steel plate at 300 yards using that data and put 3 shots right in the centre of the plate. I was happy with this.
Fast forward to the match and before shooting at the electronic targets the range officers asked me to fire at a ring to the side of the berm just to verify that I would be on target. So I dial up 0.7 and sent one round and it middled the ring. Range officer was pleased and onto the electronic targets I went.
First shot was 6 inches low and 3 inches left. So was the 2nd. I had to walk my rounds up and across the target to find the bullseye. Overall I had to adjust elevation +1.3 Mrad which according to my ballistic data would put me on at 410 yards which seems like a pretty big error.
I use Berger bullets and a Xero coupled with a weather station so trust that the B.C and muzzle velocities/weather inputs are correct so it has me a bit baffled.
Do electronics shift your POI at all? E.g are the sensors offset or something? What do you think has happened here because I am a bit stumped.
