Front Sight - Adjustable 3-dot
Adjustable 3-dot Firearms
In guns including firearms, caliber or calibre is the approximate internal diameter of the barrel in relation to the extension of the projectile used in it.
View list of calibers
In firearms terminology, an action is the physical mechanism that manipulates cartridges and/or seals the breech. The term is also used to describe the method in which cartridges are loaded, locked, and extracted from the mechanism. Actions are generally categorized by the type of mechanism used.
View list of action types