Depends on the caliber, type of barrel, whether it is on a handgun or rifle, etc..
Gun smith, Brownell's
50-100 USD
ya it will give it more accuracy and a little bit more velocity
No such gun. Mark III is the most recent model.
The diameter
The bore of a gun relates to the diameter of the hole in the barrel - and in turn the diameter of the bullet the gun can fire.
Go to the Chinese BC (That is at the bottom of the time traveller) just walk right and you will see a barrel. The barrel is the gun power.
I can't do a barell roll, sadly. I only can do a barrel roll. :D
tin
bore diameter
Caliber "Caliber" is a word for the diameter of the bullet or the bore of the gun.
In the James Bond movie "The man with a Golden Gun" stunt driver Bumps Willard performs a barrell roll driving an AMC Hornet.