Atomic Rifle Ammunition Features The Atomic Rifle Ammunition 5.56x45 load is built around a 62 grain full metal jacket bullet giving shooters a reliable consistent round for high-volume range sessions and training. A muzzle velocity of 2750 fps delivers flat-shooting performance suited to a wide range of engagement distances common in AR-15 platform use. Full metal jacket construction feeds smoothly through semi-automatic actions reducing the chance of malfunctions during extended shooting sessions. This combination of weight and velocity makes it a solid choice for both new and experienced shooters running 5.56 rifles. Manufactured in the USA Atomic Ammunition emphasizes consistent quality control across each production run giving shooters confidence in ammunition performance from box to box. Each 50-round box provides a convenient supply for a single range trip or an extended training session without needing frequent reloading breaks. This 5.56 loading is well suited to plinking practice and general-purpose shooting rather than specialized long-range or defensive applications. For shooters looking for dependable American-made ammunition to keep their AR-15 platform rifles running Atomic s 62 grain FMJ load is a straightforward reliable option. Atomic Rifle Ammunition Specifications Manufacturer: Atomic Ammunition Caliber: 5.56 Bullet Type: Full Metal Jacket Bullet Weight: 62 gr Muzzle Velocity: 2750 fps Rounds Per Box: 50 Made In: USA Available At: GrabAGun