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Hunting
Long Range Hunting & Shooting
how long do I need to let a barrel cool in between shots for a
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<blockquote data-quote="Broz" data-source="post: 860622" data-attributes="member: 7503"><p>I am just starting final load work with my LRKM and testing powder stability. I took the rifle and ammo out and let it set in the cool morning temp of 44* for 1/2 hr. I then fired 3 rounds with the new loads from a cold rifle and cold ammo. 300 gr Berger OTM, 32" fluted Hart barrel , Sendero contour, full house load of N-570 in the 338 Terminator +P. Average velocity from the Magneto speed was 3210 fps. The first and 3rd shot were 3 fps apart.</p><p> </p><p>Jeff</p></blockquote><p></p>
[QUOTE="Broz, post: 860622, member: 7503"] I am just starting final load work with my LRKM and testing powder stability. I took the rifle and ammo out and let it set in the cool morning temp of 44* for 1/2 hr. I then fired 3 rounds with the new loads from a cold rifle and cold ammo. 300 gr Berger OTM, 32" fluted Hart barrel , Sendero contour, full house load of N-570 in the 338 Terminator +P. Average velocity from the Magneto speed was 3210 fps. The first and 3rd shot were 3 fps apart. Jeff [/QUOTE]
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