Kicks Gobblin Thunder 12ga - Beretta Optima Hp .680 Dia!

Kicks gobblin thunder 12ga beretta optima hp.680 dia!
Other Features: Round angled ports recoil reduction muzzle jump reduction no wrench required, extends approx.1.5" from barrel.680 restriction recommended for 3" and 3.5" #4 and #5 lead shot