Spit-Fire TMZ features 100% copper construction, except for the TMZ™ polymer tip. Exceptional accuracy and shocking power, combined with deep, reliable penetration. Retain virtually 100% of their original weight.Spit-Fire TMZs have a higher ballistic coefficient, offer exceptional long-range performance. Streamlined tip enhances expansion. Available in 250gr and 290gr bullets. For faster loading and enhanced accuracy use Barnes Aligner Tool (below).