The ultimate sniper rifle caliber is the .50 BMG, originally created for use in the Browning Machine Gun in the early 1900s. The .50 caliber sniper rifle round is capable of sending a lethal shot through a building wall at distances of more than a mile and a half– it just gets the job done. This bullet knife is sure to start a conversation and be around for decades! It is constructed to the same dimensions as an actual .50 caliber bullet and offers a brilliant, polished solid brass case with a copper-plated bullet on the tip. 4″ bl, 5 1/2″ cl.