A bolt action is a type of firearm action that requires the user to manually cycle the bolt to load and eject cartridges. It is uncommon in pistols.

Firearm configuration where the action and magazine are located behind the trigger, reducing overall length while maintaining barrel length.

An internal magazine is a pistol magazine that is contained within the grip and loaded from within the firearm.

Adjustable metal aiming devices on firearms, consisting of a front post and rear notch, used without magnification.