Federal Premium HammerDown 22 Long Rifle 40gr CPHP Rimfire Ammo - 325 Rounds - The technology that revitalized centerfire lever-action rifles and carbines is now available for rimfire. Velocities of Federal Premium HammerDown rimfire loads are customized to produce superior ballistics and terminal performance on small game through lever-action rimfire rifles. The geometry of each round's case, bullet and cartridge ensures flawless cycling through tubular magazine and typical lever-action feeding systems. Features Made in the USA ; Nickel-plated brass; Specially formulated propellant; Loaded to velocities that provide superior ballistics through lever-action rimfire rifles; Copper-plated hollow-point bullet; Excellent cycling in tubular magazine and lever-action feeding systems;