The Buffalo Bore Ammunition 14B20 is a resilient 44 Special load, engineered with the capacity to be used in all 44 SPL firearms, whether they are handguns or rifles, excluding the exception of Charter Arms Bull Dog. Also, it\'s absolutely safe to use with all 44 magnum chambered firearms.Uniquely, this ammunition features a Barnes X type bullet, which offers superior performance as it expands upon impact with flesh and bone. This attribute facilitates deeper penetration than most other expanding lead core bullets of the same weight, ensuring its effectiveness and reliability.