RDB - Kel-Tec (Rifle Downward-eject Bullpup) is a brilliantly designed bullpup styled rifle available in 5.56 nato caliber. This would be a great tool for an EP team needing a compact designed weapon system.
Norinco QBZ-97B (Export) Bulpup Assault-Carbine: Originally the Type-95 the Chinese This is the carbine version of the QBZ-97. The official distributor of the QBZ-97B assault carbine on the international market, Jianshe Industries (Group) Corporation, advertises and sells it under the denomination "5.56mm Short Automatic Rifle Type NQZ03B (97)"
The MDR [Micro Dynamic Rifle] from DesertTech is a full 16″ barrel bullpup design rifle with a forward cartridge ejection mechanism. Also features ambidextrous design with no modifications necessary. http://www.deserttacticalarms.com/
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SBR .50 Beowulf - Awesome!
Kel-Tec RFB .308 Bullpup Rifle. Looks like an updated SA80, but this is even better, with a forward ejection system, rather than ejecting to the left or right, plus the stopping power of the .308 rather than the 5.56mm.
Kel-Tec RFB carbine .308Win/7.62x51, Magpul AFG fore grip, an Aimpoint Micro on an ARMS QD mount, a PRI folding front sight, an ARMS #40L folding rear ...