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Old January 8, 2019, 10:25 PM   #17
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Join Date: March 2, 2014
Posts: 5,816
That's true--but another 100-150 fps for a pistol bullet is still significant--given their relative ballistic inefficiency and how fast they loose energy.
You are only going to see a gain of about 50fps for the extra 8" of barrel.

6 or 8 inches longer of barrel for 20 to 40 fps more is not worth the added length to the gun or decreased rigidity.
Retired Law Enforcement
U. S. Army Veteran
My rifle and pistol are tools, I am the weapon.
I don't have a 8.5" barrel to compare with--I was running the numbers through QL. I'd be very interested to compare results using a known factory ammo just out of curiosity.
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I am NOT an expert--I do not have any formal experience or certification in firearms use or testing; use any information I post at your own risk!
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