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Old January 9, 2019, 07:59 PM   #23
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Join Date: January 2, 2005
Location: Where the deer and the antelope roam.
Posts: 2,442
This is quite true....and very untrue. I first noticed this 20 years ago with my Marlin M45 and my 1911. With mild loads the velocity increase was small, but with some high performance +P loads the differences approached 200 fps.
What is untrue? What you are saying is correct that a carbine with a pistol cartridge will pick up 200-250 fps over a pistol. What you may no understand is that the majority of that velocity gain occurs in the first 8"- 9" of barrel, 3" -4" more than your 1911 has.

There will always be outliers, that is the nature of the game.
Retired Law Enforcement
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My rifle and pistol are tools, I am the weapon.
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