Taser International announced in 2007 a new 12 gauge '' ' eXtended Range Electronic Projectile ' '' or '' ' XREP ' '' , which contains a small electroshock weapon unit in a carrier that can be fired from a standard 12 gauge shotgun . The XREP projectile is fin stabilized , and travels at an initial velocity of 100 m/s ( 300 ft/s ) . Barbs on the front attach the electroshock unit to the target , with a tassel deploying from the rear to widen the circuit . A twenty-second burst of electrical energy is delivered to the target . This product was expected to be released to market in 2008 . They were used — despite still being subject to testing , in breach of the supplier 's license — by Northumbria police in their standoff with Raoul Moat in 2010
standoff with Raoul Moat in 2010
2010 Northumbria Police manhunt
Shotgun