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Hunting
Long Range Hunting & Shooting
splitting the difference cold/warm barrel question..
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<blockquote data-quote="gerpwaller" data-source="post: 2923780" data-attributes="member: 103698"><p>They do address getting statistically relevant data for hunting rifles in the podcast. That is also why I was doing a cold bore group for the proof barreled rifle in question. If you take the same rifle and do 5-10 x 3-5 round groups on different days you will get to a shot count that is statistically relevant and show the true first round or cold bore capabilities of the rifle. I'm my, albeit very limited, experience rifles that tend to group fairly regular 0.5 moa groups show to be legit 0.75-1 moa rifles when you do statistically valid group sizes. Rifles that tend to shoot 1 moa 3-5 round groups regularly tend to be legit 1.5-2 moa rifles if you do 20-30 round groups. That is whether you do cold bore groups or whether you are shooting strings (taking the barrel profile into account and what the theoretical capabilities of the rifle are). I would never expect a pencil barreled rifle to do more than 5 rounds without allowing the barrel to cool but a heavy target rifle should be relatively unaffected by shooting enough to get the barrel warmed up. Based on the hype and advertising around proof barrels they should fall into the category of the heavy target rifles and be able to handle longer strings of fire.</p></blockquote><p></p>
[QUOTE="gerpwaller, post: 2923780, member: 103698"] They do address getting statistically relevant data for hunting rifles in the podcast. That is also why I was doing a cold bore group for the proof barreled rifle in question. If you take the same rifle and do 5-10 x 3-5 round groups on different days you will get to a shot count that is statistically relevant and show the true first round or cold bore capabilities of the rifle. I'm my, albeit very limited, experience rifles that tend to group fairly regular 0.5 moa groups show to be legit 0.75-1 moa rifles when you do statistically valid group sizes. Rifles that tend to shoot 1 moa 3-5 round groups regularly tend to be legit 1.5-2 moa rifles if you do 20-30 round groups. That is whether you do cold bore groups or whether you are shooting strings (taking the barrel profile into account and what the theoretical capabilities of the rifle are). I would never expect a pencil barreled rifle to do more than 5 rounds without allowing the barrel to cool but a heavy target rifle should be relatively unaffected by shooting enough to get the barrel warmed up. Based on the hype and advertising around proof barrels they should fall into the category of the heavy target rifles and be able to handle longer strings of fire. [/QUOTE]
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splitting the difference cold/warm barrel question..
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