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2.
A term applying to firearms, meaning that the clip is located behind the trigger.
The Steyr Aug uses a bullpup design
by Kenthar July 23, 2003
 
1.
Bullpup refers to a fiream that has it's action and magazine located behind the trigger group. This design allows for a shorter overall design in relation to barrel length and an increase in maneuverability.
Rifles such as the FN F2000, IMI Tavor, and the GIAT FAMAS all utilize a bullpup design.
by Mike Collins July 28, 2006