Bullpup firearms for sale every day at GunBroker.com. You can buy this firearm configuration made by manufacturers like Bushmaster and FNH through one of the many sellers listing their products here at GunBroker.com, the world's largest gun auction site.
This firearm configuration, typically utilized on semi automatic rifles, places the action behind the trigger group, increasing maneuverability while decreasing the overall weight of the firearm. Although this places ejection ports close to the shooter's face, the bullpup configuration maintains barrel length while shortening the overall length of the gun by eliminating the wasted space of the buttstock. The agility gained in small spaces makes bullpups a popular choice for militaries around the world.
GunBroker.com sellers update their auction listings frequently, so if you're looking to buy a bullpup or parts, check back often.