Well, a polygonal pistol barrel is a type of barrel that has a polygonal rifling instead of traditional grooves. This rifling design helps improve accuracy and velocity of the bullet as it travels through the barrel. Just like painting, different techniques can create beautiful results - each barrel design has its own unique benefits.
Which pistol? Most production pistols have a barrel length of 1 to 8 inches.
From mouth of barrel to where it meets the cylinder.
yes
A pistol is a single hand firearm with a short barrel.
No
125mm
Samuel Colt
Frame barrel hammer
Ridiculous
@ 125mm
From the end (where front sight is located) back to where bullet enters barrel.
No