SUBSONIC 338 ARC RIFLE AMMO Hornady® Subsonic Ammunition — designed for accuracy and performance below the speed of sound — now comes in both rifle and handgun loads. Subsonic Handgun utilizes tried-and-true XTP® bullets that expand reliably at subsonic velocities. The Sub-X bullet used in Subsonic Rifle features a lead core. Long grooves in its gilding metal jacket combine with the bullet’s flat profile and the patented Flex Tip® insert within its hollowpoint cavity to help it expand reliably at low velocities. Powders are selected for optimal performance and consistency from lot to lot. Sub-X® (Subsonic – eXpanding) bullets deliver big results without a big bang! Designed to provide deep penetration below the speed of sound, Sub-X® features a lead core. Long grooves in its gilding metal jacket combine with its flat profile and the patented Flex Tip® insert within the bullet’s hollow point cavity to help it expand reliably at low velocities. Cannelures provide positive case crimp, making Sub-X® ideal for semiautomatic firearms. Designed for accuracy and performance below the speed of sound. Unique powders optimized for subsonic use result in a low flash signature, ideal for either suppressed or unsuppressed performance. FEATURES:Hard hitting subsonic performance with 1.6 times more energy than 300 Blackout Subsonic for increased terminal performance.Designed specifically with a 2.260” maximum overall length to fit, feed, and function through the AR-15 platform or micro bolt action.Designed for supersonic and subsonic reliability with the same gas system settings.Practical twist rate of 1-8” optimized for both supersonic and subsonic loads.Cleaner burning than other subsonic cartridgesAmmo RestrictionYou must be 18 years of age or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammuntion. Check your state and local laws for additional restrictions before ordering. It is your responsibilty to fully understand the laws in your area and to ensure that possession of this item would not violate any applicable state or local laws.Always make sure you use the correct ammunition for your firearms. Ammunition pricing is per box. All ammunition must be shipped Domestic Ground. Due to safety considerations and legal/regulatory reasons, ammunition may not be returned.View full restrictions here.WARNING: Lead - Discharging firearms in poorly ventilated areas, cleaning firearms, or handling ammunition may result in exposure to lead and other substances known to cause birth defects, reproductive harm, and other serious physical injury. Have adequate ventilation at all times. Wash hands thoroughly after exposure.