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DO NOT DO THIS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Do this and you will cause damage and injury.
None. Unless it has been rebored to another caliber. Most unlikely.
5.56tony(AA-2015-BR) is the most accurate butt y 223 are you kidding me 270 or 300win 7mm rem 700 that is what you want to load for 223 sucks at 400y and on. good luck the Chinese invented gun powder and we use gun powder for fire worksfrom samed batu
any gun besides airsoft,bb guns, Paintball, and pellet guns or anything above a pellet gun (22's 223's and so on) use gunpowder
No. Two different cartridges, they do not interchange.
Yes. The same brush you use to clean a .223 can be used for .22 LR, .22-250, .222, and other cartridges in that same calibre range.
No such thing as a 2 caliber gun. That would be a bullet 1/50th of an inch in diameter. Basically, .22 LR ammo may be fired from a gun marked .22LR. It MAY be possible to fire it from a gun marked .223 or 5.56 mm WITH THE USE OF AN ADAPTER.
Ar-15 for one. You can use .223 ammo in 5.56 barrells as well.
.223 Remington can be cycled in a 5.56x45 rifle; 5.56x45 should not be cycled in a .223 Remington firearm.
No. They're dimensionally similar, but vary in several aspects, and may not always be interchangeable. Generally speaking, most 5.56 chambers will do just fine firing .223 ammo, but it's not recommended to use 5.56 ammo in a .223 chamber. The one exception to this would be the 80 grain .223 Wylde - a round which specifically requires a .223 Wylde chamber.
Only if it is marked ".223 Remington" on the barrel.
No, just use same ammunition