Winchester gave this target load a conventional 124 grain full metal jacket. It’s a non-growing and nonmagnetic bullet, with a difficult copper-alloy shell that can help it feed effortlessly into a semi-automatic’s waiting chamber. We, at Underwood Ammo, stand by our products 100% for being free of charge from defects https://www.safeheavenfirearms.com/product/sterling-lightfield-hybred-exp-sabot-slug-shotshells/