gunbarrel

A gun barrel is a crucial part of gun-type ranged weapons such as small firearms, artillery pieces and air guns. It is the straight shooting tube, usually made of rigid high-strength metal, through which a contained rapid expansion of high-pressure gas(es) is used to propel a projectile out of the front end (muzzle) at a high velocity. The hollow interior of the barrel is called the bore, and the diameter of the bore is called its caliber, usually measured in inches or millimetres.
The first firearms were made at a time when metallurgy was not advanced enough to cast tubes capable of withstanding the explosive forces of early cannons, so the pipe (often built from staves of metal) needed to be braced periodically along its length for structural reinforcement, producing an appearance somewhat reminiscent of storage barrels being stacked together, hence the English name.

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    Tips for attaching Qualpex to GunBarrel

    Hi, I want to move two radiators and they are currently on GunBarrel pipe (i think, see attached pic "GunBarrel pic"). I understand I need to unscrew the existing pipe and screw in an adapter fitting to connect qualpex, then route this to the new rad. (see the "planned pipe" pic for what i'm...

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