Federal® American Eagle® XM855 Ammo is manufactured to military specifications in the legendary Lake City facility, which is responsible for producing a high volume of ammunition for the US Military. These rounds feature the classic M855/SS109 "green tip" projectile, designed to penetrate through light barriers.
Look for the discolored case.
This Ammo has been annealed to meet military specifications. Unlike your standard civilian round, the military requires visual proof of the annealing, causing the case to appear discolored. This is done intentionally to meet military requirements for overall durability and strength in the completed round.
PLEASE NOTE: While the 5.56x45mm NATO round will fit in a .223 Remington chamber, 5.56 NATO is a military round that is loaded to higher pressure than its .223 counterpart, and is therefore not recommended for use in rifles chambered for .223.
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