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Posted On: 1/17/2020
By: richard miggins
A: The 5.56 mil spec brass is slightly thicker and heavier to accommodate a higher chamber pressure. This doesn't necessarily equate to a faster velocity though.
The largest differences are in the chamber themselves, not the ammo.
For a very detailed breakdown, check out our article here: https://www.luckygunner.com/labs/5-56-vs-223/. Its a very scientific and detailed read.
Posted On: 5/6/2019
By: Rick A.Bernardi
A: Hi Rick, The BC for the Fiocchi .223 55 grain FMJ BT round is .243. This is the G1 coefficient.
Posted On: 3/7/2017
By: Cal James
A: Hello Cal,
This ammunition is loaded with copper jacketed, lead core ammunition that does not contain any steel.
Posted On: 1/20/2017
By: Timothy pulliam
A: Hello Timothy,
This ammunition is packaged in boxes that list the manufacturer as Fiocchi of America. That designation means this ammunition is manufactured in their Ozark, MO manufacturing plant.