Originally Posted by newbegunner
If a 4 inch barrel is used for 9mm +p 135 grain hp optimum testing what if anything is affected when that ammo is used in a handgun with a 3.4 inch barrel? Thanks in advance.
it will probably lose a very small amount of muzzle velocity. not enough to be noticed unless a person uses a chronograph to measure it.
Join the NRA Today.
To the Victor, go the spoils of War.
I only hope i can say, I was a little less villain, and a little more hero, when the credits roll. George Strait.