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Why are they green tipped and also what are the differences performance wise between 55 and 62 grain ammo? — 1 Answer

by Gary, from TN, United States Asked on April 24, 2021

Name Winchester USA 5.56x45mm NATO 62 grain Green Tip M855 Full Metal Jacket Boat Tail FMJBT Brass Centerfire Rifle Ammunition (4.7)
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Answered by Patrick, Gear Expert, from IL, United States, on August 24, 2021

The reason for them being "green tip" ammo is the tip of the projectile is marked green to denote a steel "penetrator" in the lead core. The grain is in reference to the bullet weight, more mass will equal more energy delivered to the target.

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Last updated 2025-11-12 UTC.