Is there a noticeable performance difference between the short 18-20″ barrels supplied with some lightweight rifles and 22-24″ standard length barrels?
Yes, there is a difference. But the real question is “how much difference?” Velocity loss depends on many factors. One important factor is the caliber for which the rifle is chambered. Velocity loss is generally greater with higher velocity calibers. See my article “The Rifle Barrel” for more on this subject (http://www.chuckhawks.com/rifle_barrel.htm). The accurate way to find out is to chronograph the same load in the rifles you are comparing, and then decide if the difference is noticeable to you. Personally, I don’t like a barrel less than 20″ long on any centerfire hunting rifle.
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