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This Winchester ammo is more effective at penetrating hard targets. The US made M855 is painted with a green tip in order to distinguish the M855 from the M193 so that US Military troops do not shoot M855 in their 1:12" twist barreled M16's which would end up failing to properly stabilize the heavier and longer M855 bullet. With a muzzle velocity of 3020 feet per second and muzzle energy of 1255 foot pounds, this Winchester M855 Penetrator 5.56mm NATO is ideal for target shooting, training, and plinking.

This Winchester ammo is more effective at penetrating hard targets. The US made M855 is painted with a green tip in order to distinguish the M855 from the M193 so that US Military troops do not shoot M855 in their 1:12" twist barreled M16's which would end up failing to properly stabilize the heavier and longer M855 bullet. With a muzzle velocity of 3020 feet per second and muzzle energy of 1255 foot pounds, this Winchester M855 Penetrator 5.56mm NATO is ideal for target shooting, training, and plinking.

Hi and welcome. It is made for combat as it has a mild steel penetrator tip for better hard target penetration like body armor. Bullet design/cross section shown here: https://www.youtube.com/watch?v=PCfGKlArwZ8 -------------- Cheers, stay safe and enjoy!