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re: A rule of thumb on changing point of impact on fixed sighted guns

Posted on 9/15/14 at 7:41 pm to
Posted by weagle99
Member since Nov 2011
35893 posts
Posted on 9/15/14 at 7:41 pm to
A slower bullet will be in the barrel for a longer time and be influenced by the recoil impulse (upwards) more than a faster bullet.

That is my understanding.
Posted by Nodust
Member since Aug 2010
22642 posts
Posted on 9/15/14 at 7:42 pm to
I've heard Hickok45 say this many times. But never understood why.
Posted by Boats n Hose
NOLA
Member since Apr 2011
37248 posts
Posted on 9/15/14 at 7:43 pm to
Gotcha
Posted by bapple
Capital City
Member since Oct 2010
11924 posts
Posted on 9/15/14 at 7:53 pm to
quote:

A slower bullet will be in the barrel for a longer time and be influenced by the recoil impulse (upwards) more than a faster bullet.


Crazy until you really think about it in these terms.

Makes sense. You just made me more edjumucated.

Posted by REB BEER
Laffy Yet
Member since Dec 2010
16290 posts
Posted on 9/15/14 at 8:05 pm to
quote:

A slower bullet will be in the barrel for a longer time and be influenced by the recoil impulse (upwards) more than a faster bullet.


Very true. My .460 S&W mag shoots .45 LC, .454 casull, and .460 magnums. That is the order of slowest to the fastest, and the 45 is a good 6-10 inches higher than the .460 at 30 yards.
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