▁ri ot ▁control . ▁They ▁are ▁generally ▁low ▁velocity ▁and ▁are ▁fired ▁from ▁shot g uns , ▁gr en ade ▁launch ers , ▁paint ▁ball ▁guns , ▁or ▁spe cially ▁designed ▁fire ar ms ▁and ▁air ▁gun ▁devices . ▁ ▁Inc endi ary : ▁These ▁bul lets ▁are ▁made ▁with ▁an ▁explos ive ▁or ▁fl amm able ▁mixture ▁in ▁the ▁tip ▁that ▁is ▁designed ▁to ▁ign ite ▁on ▁contact ▁with ▁a ▁target . ▁The ▁intent ▁is ▁to ▁ign ite ▁fuel ▁or ▁m un itions ▁in ▁the ▁target ▁area , ▁thereby ▁adding ▁to ▁the ▁destruct ive ▁power ▁of ▁the ▁bullet ▁itself . ▁ ▁Ex pl oding : ▁Similar ▁to ▁the ▁inc endi ary ▁bullet , ▁this ▁type ▁of ▁project ile ▁is ▁designed ▁to ▁expl ode ▁upon ▁hitting ▁a ▁hard ▁surface , ▁prefer ably ▁the ▁b one ▁of ▁the ▁intended ▁target . ▁Not ▁to ▁be ▁mistaken ▁for ▁can non ▁shell s ▁or ▁gr en ades ▁with ▁f use ▁devices , ▁these ▁bul lets ▁have ▁only ▁a ▁cav ity ▁filled ▁with ▁a ▁small ▁amount ▁of ▁low ▁explos ive ▁depending ▁on ▁the ▁velocity ▁and ▁de formation ▁upon ▁impact ▁to ▁det on ate . ▁Ex pl oding ▁bul lets ▁have ▁been ▁used ▁on ▁various ▁aircraft ▁machine ▁guns ▁and ▁on ▁anti ▁mater iel ▁rif les . ▁ ▁T rac er : ▁These ▁have ▁a ▁h ollow ▁back , ▁filled ▁with ▁a ▁f lare ▁material . ▁Usually ▁this ▁is ▁a ▁mixture ▁of ▁mag nes ium ▁metal , ▁a ▁per ch lor ate , ▁and ▁str ont ium ▁sal ts ▁to