Next time you go to the range, take a bottle of 50/50 isopropyl alcohol and windex or car windshield washer fluid, what ever you have around the house, and a bunch of cleaning patches. Get in the habit of shooting the rifle, then take a wet patch and swab the barrel. Work that patch is short strokes from the muzzle to the breech. Long strokes will give you a stuck patch. Then I like to take two dry patches and make sure the barrel is good and dry. These will be the next wet patches. Then load the rifle. See if it behaves a little better. Swabbing is very important on the target range. After all in the woods we are only going to shoot once, so we have to make it good. By the way, where did your first shot hit?

I am glad you said you checked your scope mounts before. That is usually one of the first places I look. Since you felt your barrel did not get hot, that should not have been part of the problem. Try the swabbing and see if it does not make a big difference in the size of the group you shoot and also the elimination of flyers. Also if the gun starts to act up, have someone else shoot the thing and see if it does the same for them. That is one of the advantages of shooting with others....

Good luck with your rifle... The Eclipse is known to be an excellent shooter.