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| Brand | Winchester Ammo |
| Category | Centerfire Rifle Rounds |
| Caliber | 5.56x45mm NATO |
| Model | USA |
| Rounds Per Box | 150 |
| Casing Material | Brass |
| Muzzle Energy | 1282 ft lbs |
| Muzzle Velocity | 3240 fps |
| Application | Plinking |
| Boxes Per Case | 4 |
| Bullet Type | Full Metal Jacket (FMJ) |
| Bullet Weight | 55 gr |
You must be 21 years or older to order ammunition. Ammunition must ship FedEx Ground/ Adult signature required on some orders. Ammunition is not eligible for returns. Please check local laws before ordering. By ordering this Ammunition, you certify you are of legal age and satisfy all federal, state and local legal/regulatory requirements to purchase this Ammunition. Due to State Regulations your order may be declined and refunded based on shipping address.
Please Note: While the 5.56x45mm will fit in a .223 Remington chamber, the 5.56 is a military round that runs at higher pressures than its .223 counterpart and is not recommended to be fired in a .223 Remington Chamber.