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Hunting
Long Range Hunting & Shooting
Best short barreled 6.5 caliber??
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<blockquote data-quote="rlspahn" data-source="post: 1612309" data-attributes="member: 11120"><p>It's not about the powder burn per se but about the pressure created from the powder burn. Just because the powder stops burning doesn't mean the pressure goes to zero. You don't need 26" of barrel to fully burn most powders, but the longer barrel does allow the pressure to act on the bullet longer, continuing its acceleration in the barrel, and allowing it to reach a higher velocity. If you shorten the barrel, you reduce the amount of time that the pressure can act on the bullet and the velocity is lower, not necessarily how much powder is burned. Now at some point, you will get the barrel so short that the powder doesn't fully burn. That's how QL is predicting only a 1 to 1-1/2% reduction in powder burn (see post by yorke-1). So while there is not a lot of unburned powder exiting the muzzle, there is some wasted pressure that is expelled from the muzzle - what you would call muzzle blast.</p></blockquote><p></p>
[QUOTE="rlspahn, post: 1612309, member: 11120"] It's not about the powder burn per se but about the pressure created from the powder burn. Just because the powder stops burning doesn't mean the pressure goes to zero. You don't need 26" of barrel to fully burn most powders, but the longer barrel does allow the pressure to act on the bullet longer, continuing its acceleration in the barrel, and allowing it to reach a higher velocity. If you shorten the barrel, you reduce the amount of time that the pressure can act on the bullet and the velocity is lower, not necessarily how much powder is burned. Now at some point, you will get the barrel so short that the powder doesn't fully burn. That’s how QL is predicting only a 1 to 1-1/2% reduction in powder burn (see post by yorke-1). So while there is not a lot of unburned powder exiting the muzzle, there is some wasted pressure that is expelled from the muzzle - what you would call muzzle blast. [/QUOTE]
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Best short barreled 6.5 caliber??
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