MALL NINJA TACTICAL GEAR THAT'S BLACK AND SHIT! Nov 14, 2013 18:11:49 GMT -8 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Shorttime on Nov 14, 2013 18:11:49 GMT -8 Nov 14, 2013 17:04:35 GMT -8 revs said:Ballistic knife is spring powered......Most are, yes. But I thought there was also one that used CO2 cylinders.Not the WASP knife, either: I remember that one.