▁solid ▁large ▁single ▁lead ▁project iles , ▁sometimes ▁with ▁a ▁h ollow ▁point , ▁used ▁for ▁de er ▁or ▁wild ▁p ig ▁hunting ▁in ▁juris dict ions ▁that ▁do ▁not ▁allow ▁rif les ▁( because ▁a ▁missed ▁sl ug ▁shot ▁will ▁travel ▁consider ably ▁less ▁far ▁than ▁a ▁rif le ▁bullet ). ▁Fl uted : ▁In ▁appearance , ▁these ▁are ▁solid ▁bul lets ▁with ▁scal loped ▁sides ▁( missing ▁material ). ▁The ▁theory ▁is ▁that ▁the ▁fl utes ▁produce ▁hyd ra ul ic ▁jet ting ▁when ▁passing ▁through ▁t issues , ▁creating ▁a ▁w ound ▁channel ▁larger ▁than ▁that ▁made ▁by ▁conventional ▁expand ing ▁am mun ition ▁such ▁as ▁h ollow points . ▁Hard ▁Cast : ▁A ▁hard ▁lead ▁al loy ▁intended ▁to ▁reduce ▁fou ling ▁of ▁rif ling ▁gro ov es ▁( es pecially ▁of ▁the ▁pol yg onal ▁rif ling ▁used ▁in ▁some ▁popular ▁p ist ols ). ▁Ben ef its ▁include ▁simpler ▁manufact ure ▁than ▁jack et ed ▁bul lets ▁and ▁good ▁performance ▁against ▁hard ▁targets ; ▁limitations ▁are ▁an ▁in ability ▁to ▁m ush room ▁and ▁subsequent ▁over - pen etr ation ▁of ▁soft ▁targets . ▁ ▁Bl anks : ▁W ax , ▁paper , ▁pl astic , ▁and ▁other ▁materials ▁are ▁used ▁to ▁simulate ▁live ▁gun fire ▁and ▁are ▁intended ▁only ▁to ▁hold ▁the ▁pow der ▁in ▁a ▁blank ▁cart ridge ▁and ▁to ▁produce ▁noise , ▁fl ame ▁and ▁smoke . ▁The ▁" bullet " ▁may ▁be ▁captured ▁in ▁a ▁purpose - des igned ▁device ▁or ▁it ▁may