The word 'bullpup' is spelled using the IPA phonetic transcription as /bʊl pʌp/. It refers to a type of firearm where the action and magazine are located towards the rear of the gun, behind the trigger. The word 'bull' comes from the bullseye target that was originally used to test these guns, while 'pup' stands for 'puppy,' as these firearms have a short, compact size. Despite being a commonly used term, the spelling of 'bullpup' can sometimes be confused with 'bulbous' or 'bullpen.'
Bullpup refers to a design configuration commonly used in firearms, especially rifles, where the action and magazine are located behind the trigger mechanism. The term "bullpup" is derived from the combination of "bull" (a reference to the back of an animal) and "pup" (a shortened form of "puppy"), as the design places the action towards the rear portion of the rifle, akin to the placement of a puppy following its mother.
In a bullpup firearm, the trigger is located forward of the action, usually closer to the muzzle end of the weapon. This configuration enables a shorter overall length and a more compact design compared to conventional rifles with the action situated in front of the trigger. By compacting the firearm's dimensions while retaining a rifle-length barrel, bullpups offer enhanced maneuverability, suitability for close-quarters combat, and ease of handling in confined spaces.
The bullpup design also allows for improved weight distribution, with the weight concentrated towards the shooter's shoulder, resulting in superior balance and reduced felt recoil. Additionally, bullpups generally feature ambidextrous controls, making them suitable for right- and left-handed shooters alike. However, the rearward placement of the action can sometimes lead to complexities in the trigger mechanism and challenges with reloading due to the distance between the magazine and the shooter's support hand.
Bullpup configurations are utilized in various firearms, including rifles, carbines, and shotguns, and are commonly employed by military and law enforcement agencies, as well as civilian shooters.
The word "bullpup" is derived from a combination of two terms: "bull" and "pup". The "bull" part of the word refers to a bull terrier, a breed of dog known for its compact size and powerful build. "Pup" is a colloquial term for a young dog. The term "bullpup" was originally used metaphorically to describe firearms with compact dimensions and a shortened overall length compared to traditional rifles. This parallel between the firearm's size and the characteristics of a bull terrier pup led to the adoption of the term "bullpup" to describe this class of firearms. The exact origin of the term is believed to have occurred in the late 20th century, primarily among firearm enthusiasts.