FEDERAL 5.56X45mm XM855 AMMUNITION | Sinclair Intl

Dear Customer: Please note that due to unprecedented demand for this item, we unfortunately are unable to accept further backorders on this product at this time. We are working daily with our factory partners to replenish our stock as soon as possible. Please see our Ammunition Update page for the latest information. Thank you for your understanding!


  • 5.56 x 45mm XM855 ammunition
  • 62 grain full metal jacket
  • Lake City green tipped ammunition
  • Brass cased
  • Boxer primed
  • Non-corrosive
  • XM855 bullet, same as current US military issue
  • 500 Rounds total


  • Lake City ammunition loaded to military specifications
  • Reloadable, boxer primed brass allows for easy reloading

You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition. All ammunition must be shipped Domestic Ground. Shipping not available for International, DC, and MA residents. Residents of CA, DE, IL, NY and OH, may have additional restrictions. Always make sure you use the correct ammunition for your firearms. Check your state and local laws for any other applicable firearms and ammunition regulations. View full restrictions here.

Ammunition pricing is per box.



Alert Me When Available

This item is currently unavailable for backorder.

Cartridge: 5.56 mm NATO

Bullet Style: Full Metal Jacket Boat Tail (FMJBT)

Bullet Weight (Grains): 62

Rounds per Box: 500