Features: Two 12" diameter locking targets plus 12" reset target Targets: 3/8" AR550 steel Ballistic cam shield: 1/4" AR500 steel Approximate Weight: 113 pounds / 51.3kg Locking and reset system designed for most .30 caliber and larger rifle ammunition (7.62x51 M80 Ball or equivalent). It is safe to use less powerful rounds, but they won't activate the locking and reset system Minimum safe shooting distance: Handgun 10 yards (9.14m) / Rifle 100 yards (91.4m