This bullet bottle opener is the same size and shape as a . 308 Winchester bullet. Authentic design and finish. This small and easy to use retro bullet bottle opener will crack open your bottle in a shot! The Handy keyring allows you to carry it with you everywhere, so you won't be stuck without it no matter where you are! Novelty Bottle opener makes an ideal gift for any Cider lover, but also for gun enthusiasts, military personnel, veterans, hunters and bartenders. Made from Brass/Copper with a distressed Product size: 8 x 1. 2 x 1. 2cm (without keyring). Distressed Authentic finish. Product size: 8 x 1. 2 x 1. 2cm (without keyring).. Novelty bottle opener makes an ideal gift for any Cider, Lager lover, but also for gun enthusiasts, military personnel, veterans, hunters and bartenders.