For those that don't know 5.56 is a much better ammo than .223
#11
More info I found posted by Winchester.
This 5.56mm NATO ammunition is loaded to the same specifications currently used by our U.S. Military. The higher pressure in these rounds deliver increased velocity and energy over standard 5.56mm ammunition, which also promotes reliable cycling in modern 5.56mm semi-auto rifles.
Notice: Use only in modern 5.56mm firearms in good condition. These Cartridges are loaded to military velocity and pressure which is higher than standard 5.56mm cartridges. The average pressure is 10% higher than the industry standard pressure for 5.56mm rounds.
Winchester USA ammunition is designed for the high-volume shooter who demands good accuracy with no barrel leading. Quality components go into every Winchester USA round. 55-gr. Full Metal Jacket rounds for the 5.56mm. Per 20 rounds. Made in the U.S.A.
This 5.56mm NATO ammunition is loaded to the same specifications currently used by our U.S. Military. The higher pressure in these rounds deliver increased velocity and energy over standard 5.56mm ammunition, which also promotes reliable cycling in modern 5.56mm semi-auto rifles.
Notice: Use only in modern 5.56mm firearms in good condition. These Cartridges are loaded to military velocity and pressure which is higher than standard 5.56mm cartridges. The average pressure is 10% higher than the industry standard pressure for 5.56mm rounds.
Winchester USA ammunition is designed for the high-volume shooter who demands good accuracy with no barrel leading. Quality components go into every Winchester USA round. 55-gr. Full Metal Jacket rounds for the 5.56mm. Per 20 rounds. Made in the U.S.A.
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