After shooting literally thousands of pellets over the last several months, I have determined that my AA S-510 in .177 performs the best at especially longer ranges, with the JSB 10.34 pellets. My AA S-510 in .22 performs the bet with JSB 18.13 grain pellets, especially at the longer ranges.
The .177 will shoot a 2" or less group out to 65 yards, before opening up at 70 yards.The .22 will shoot a 2" group out to 75 yards before opening up to 3" only five yards later. Note that with the .22, I had to reduce the scope magnification to keep the POI within the field of view.
The final POI tests consisted of 10 shots (or more at the extreme distances to be certain of the core) on paper to located the reticle hold POI, followed up by 10 shots at a 2" spinner to verify that the hold point was accurate. In almost every case, I went 10 x 10 on the spinner using the established hold point.
I have done this same exercise shooting my AA S-510 in .25 caliber with a number of different pellets if any of you wish to see any of those results.
The POI charts for both rifles are shown below in the event they are of assistance to any of you.
The .177 will shoot a 2" or less group out to 65 yards, before opening up at 70 yards.The .22 will shoot a 2" group out to 75 yards before opening up to 3" only five yards later. Note that with the .22, I had to reduce the scope magnification to keep the POI within the field of view.
The final POI tests consisted of 10 shots (or more at the extreme distances to be certain of the core) on paper to located the reticle hold POI, followed up by 10 shots at a 2" spinner to verify that the hold point was accurate. In almost every case, I went 10 x 10 on the spinner using the established hold point.
I have done this same exercise shooting my AA S-510 in .25 caliber with a number of different pellets if any of you wish to see any of those results.
The POI charts for both rifles are shown below in the event they are of assistance to any of you.