FAQ: 5.56mm NATO vs .223 Rem

Did he really say 20k psi more out of 5.56? More like 3k psi... don't give out false info please...

فیلم س** فیلم فیلم س***

Thank you

Thank you, I've been feeling pretty stupid about this. I appreciate the content you put out in this video.

Where do you get the idea that the 5.56 can produce so much more pressure than the .223? All the information I have shows just the opposite. Since the cases are exactly the same size and if the bullets are the same then all my load data shows the .223 being charged with more powder in every case resulting is slower bullets from the 5.56. More powder in the same case will produce more pressure. I would be afraid to use my .223 loads in a black rifle. The data I have, which was produced by Sierra, shows the same reduced loads for the 5.56 all the way to an 80 grain bullet where my information stops.

223 wylde is the best of both worlds

For a typical AR chamber, both are fine. But don’t try jamming a 5.55 into a 1962 bolt action .223. The reamed leade lengths are different. Your 5.56 case will jam.

5.56mm = Military Round. .223 Remington = watered down civilian trash. For equal example, See: .357 magnum vs .38 Special.

So glad I got a 5.56 rated AR best of both worlds 😂🤙

🧠 fast, good info

Excellent.

Crystal clear explanation! Thanks.

But if as in a CZ Bren 2ms the gas knob is stamped 556 on one side and 223 on the other can you shoot both?

Thx

short and direct to the point, love it!

I’m using a .223 wylde barrel now, only because 5.56 barrels were out of stock. I wanted to use both calibers on my new build

So what are the advantages of a .223 Wylde over a 5.56? I understand that they can both shoot both cartridges. Is one more prone to malfunction or accuracy issues with one of these cartridges?

Brownell's "Smyth Busters" say it is okay to fire 5.56 from a .223 chambered rifle, especially modern rifles, which can typically exceed the max pressure a .556 round would produce.

What if the barrel is stamped 5.56 and the lower says 223 Rem?

😃👍😎