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Long Range Hunting & Shooting
Best short barreled 6.5 caliber??
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<blockquote data-quote="MudRunner2005" data-source="post: 1612327" data-attributes="member: 12995"><p>As soon as the flame goes out, the gasses start cooling (simple physics), therefore pressure does rapidly start dropping. And once gravity overtakes inertia, the bullet comes to a halt.</p><p></p><p>Now, if you say it's all burnt up by then, that would mean that inertia is the only thing keeping that bullet propelling down the bore once burnoff has completed...Right? So, if your theory was correct, then there would be no actively-burning propellant gasses left in the bore as the bullet exits the barrel, right? If this is the case, then there would be no extensively loud muzzle blast, as all that superheated gas pressure would have been used up by then, and would not interact with the much cooler ambient atmospheric temperatures, creating the loud BOOM! we hear when a gun goes off. Sort of like how a subsonic round operates without a suppressor on it. There's still boom sound, but nowhere near the sonic boom crack of a gun that still has actively burning propellant in the bore. So, obviously, with anything loaded to supersonic capacities, there is still gasses being actively burned in the bore, up until the bullet exits the muzzle. That means most cartridges are still not going to put-out a complete burn in a 26" barrel, when pushed to supersonic velocities.</p><p></p><p>Also, barrel length is more dependent on cartridge capacity vs. bore diameter, than powder burn rate.</p></blockquote><p></p>
[QUOTE="MudRunner2005, post: 1612327, member: 12995"] As soon as the flame goes out, the gasses start cooling (simple physics), therefore pressure does rapidly start dropping. And once gravity overtakes inertia, the bullet comes to a halt. Now, if you say it's all burnt up by then, that would mean that inertia is the only thing keeping that bullet propelling down the bore once burnoff has completed...Right? So, if your theory was correct, then there would be no actively-burning propellant gasses left in the bore as the bullet exits the barrel, right? If this is the case, then there would be no extensively loud muzzle blast, as all that superheated gas pressure would have been used up by then, and would not interact with the much cooler ambient atmospheric temperatures, creating the loud BOOM! we hear when a gun goes off. Sort of like how a subsonic round operates without a suppressor on it. There's still boom sound, but nowhere near the sonic boom crack of a gun that still has actively burning propellant in the bore. So, obviously, with anything loaded to supersonic capacities, there is still gasses being actively burned in the bore, up until the bullet exits the muzzle. That means most cartridges are still not going to put-out a complete burn in a 26" barrel, when pushed to supersonic velocities. Also, barrel length is more dependent on cartridge capacity vs. bore diameter, than powder burn rate. [/QUOTE]
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Best short barreled 6.5 caliber??
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