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20 Rounds of 5.56x45mm M855 Steel Core Ammo by Federal - 62gr FMJ-BT

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Ammo Overview

Quantity - 20 rounds per boxes
Manufacturer - Federal
Bullets - 62 grain full metal jacket boat tail (FMJ-BT) XM855 steel core
Casings - Boxer-primed brass

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You're reviewing: 20 Rounds of 5.56x45mm M855 Steel Core Ammo by Federal - 62gr FMJ-BT

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Posted On: 10/20/11 By: Rich P.

A: These are called "Green Tip" 5.56 rounds. This paint on the nose of the bullet is to help distinguish standard M855 ammo (green tip) from M856 tracer ammo (orange tip), M995 AP ammo (black tip), and Optimized (for short barrels) ammo (brown tip), among others.

Posted On: 9/29/11 By: rob

A: Rob, the G7 ballistic coefficient (BC) of the SS109 projectile in this M855 ammunition is .158. Please note that a G7 BC is different than the G1 BC provided by most manufacturers, but it allows for a more accurate calculation of trajectory and wind drift. The velocity of this ammunition is 3,100 feet per second from a 20" AR-15 or M16A2. It is not expanding ammunition, rather, it was designed to meet specific armor penetration requirements at various distances. A better choice for light, thin-skinned game such as white tail deer would be the Federal Fusion 62gr bonded ammunition.

Posted On: 9/28/11 By: Jason

A: What are you defending against? This M855 ammunition was designed to defeat steel armor at extended ranges. From an M16A2, it will penetrate a 10 gauge sheet of steel as far as 700 meters from the muzzle! Against soft targets, 75gr or 77gr HPBT and 62gr bonded ammunition such as Federal Fusion are much better choices.

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