Underthegun,
Thanks for setting up and running this challenge. Since Thanksgiving I have learned more about my rifle than I thought was possible. Here is my submission;
Conditions: according to the Weather Network, temperature 5C, 80% humidity and winds from 8 o’clock 8-11kph.
Equipment: Savage MKII BV with bedded action. Vortex 6-18 scope. Homemade barrel tuner. Caldwell shooting bags front and rear. Lapua Center-X.
Results: Target at 50 yards. Size of reference target hole on paper .209
1. .415
2. .277
3. .344
4. .125
5. .431
Average group .318
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On cool days I found that keeping ammunition warm helped accuracy. Below 10C groups were noticeably opening up. Below 5C groups were approaching .75 inch. The messy tape on the rifle is holding two disposable hand warmers, one on either side of the barrel chamber. The picnic cooler contains a hot water bottle wrapped in a towel. The tray sits above the warm towel and holds magazines and ammo. Credit to those who have gone before me and came up with these ideas.
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Great shooting and congrats, Never allow anything to touch the barrel of your rifle as youll change the harmonics and it will NEVER perform as good as it could. If you want to keep the barrel warm use a gel heat pack and remove it when firing ur groups. Try it and Ill bet youll see a marked improvement. Great shooting