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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Results: Cutting a 7mm-08 Barrel From 26" to 20"
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<blockquote data-quote="CBH Australia" data-source="post: 2699301" data-attributes="member: 116486"><p>The results of the OP are interesting. </p><p></p><p>I wonder if the .280 would show much difference in the velocity drop.</p><p></p><p>I've often read that an inch of barrel removed equates to between 25-50fps of velocity lost. The OP has lost around 20fps per inch .</p><p></p><p>120fps on game might not matter much but it's interesting to see real world results.</p><p></p><p>I own a 20" 7mm-08 and I have a 26" .280a.i. different rifles for different purposes. Can't quote the velocities or compare the cartridges . </p><p></p><p>I had to choose between a 20" and 26" because the CF wrapped barrels were what the the shop stock and pricing was in budget. </p><p></p><p>I went 26' because I wanted to use the potential of the 280a.i. cartridge but I would happily compromise 20fps per inch if i could have had 24" for the a happy medium.</p><p></p><p>We can't have suppressors so 26" is still manageable on a hunting rifle.</p></blockquote><p></p>
[QUOTE="CBH Australia, post: 2699301, member: 116486"] The results of the OP are interesting. I wonder if the .280 would show much difference in the velocity drop. I've often read that an inch of barrel removed equates to between 25-50fps of velocity lost. The OP has lost around 20fps per inch . 120fps on game might not matter much but it's interesting to see real world results. I own a 20" 7mm-08 and I have a 26" .280a.i. different rifles for different purposes. Can't quote the velocities or compare the cartridges . I had to choose between a 20" and 26" because the CF wrapped barrels were what the the shop stock and pricing was in budget. I went 26' because I wanted to use the potential of the 280a.i. cartridge but I would happily compromise 20fps per inch if i could have had 24" for the a happy medium. We can't have suppressors so 26" is still manageable on a hunting rifle. [/QUOTE]
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Results: Cutting a 7mm-08 Barrel From 26" to 20"
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