FTX Bullet Technology: The unique design of the Critical Defense FTX bullet offers quick expansion and limited penetration from self-defense rifles; Defense-Centered Design: Silver nickel-plated cases feed smoothly and are more visible for chamber checks in low-light situations. Additives blended with propellants reduce flash to maintain night vision; Dependable: Nickel-plated cases resist corrosion and optimized propellants burn quickly to reduce recoil and limit muzzle flash, making Critical Defense dependable in every situation