The Gamo Winchester Big Bore Bullets .457 Cal 350 Grain big-bore airgun bullets were specifically built for the Gamo TC45 platform and can deliver more than 400 foot pounds of energy at the muzzle with Gamo's TC45 Airgun. Additionally, they deliver all that energy with 1 inch accuracy at 50 yards. Their consistency, size and weight are suitable for both punching through the shield of a big hog as well as breaking bone, dropping game where they stand. These bullets are meant for delivering the maximum power and energy out of our big bore airgun lineup and come 50 bullets per package.