Choose Winchester USA for reliable, bulk 5.56 NATO ammo. This military-spec M193 load features a 55-grain Full Metal Jacket (FMJ) bullet, delivering consistent performance for AR-15 platforms. Ideal for high-volume range shooting and tactical training, this 55-grain FMJ 5.56 offers excellent value and shot-to-shot consistency. Trust the legendary Winchester White Box quality.

Maximize your time at the range with this dependable training ammunition. Each round uses reloadable brass cases and non-corrosive primers for flawless feeding. With a muzzle velocity near 3,180 fps, this American-made load offers the speed and accuracy serious shooters demand. Find the best price on this bulk 5.56 ammo for your rifle today.

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It is the customer’s responsibility for understanding state laws regarding all purchases made. For a comprehensive list of all Shipping Restrictions, please refer to our Shipping Restrictions By State Page found Here.

If you live in AK, CA, CT, DC, HI, IL, MA, MD, NJ, or NY, please read our ammo shipping restrictions before placing your order.

You must be 18 years or older to purchase rifle ammunition.
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All California ammunition orders need to be shipped to an FFL and will be charged a 25% restocking Fee. More CA Info

WARNING: Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).