The Big Debate: 277 Fury Vs 223

Defiant America ^ | January 26, 2024 | By Sam Jacobs

[Red Badger]

Ping!.....................

[PROCON]

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[DesertRhino]

Its hybrid three-piece cartridge case has a steel case head and brass body connected by an aluminum locking washer to support the high chamber pressure of 80,000 psi.

A SIG Frankenstein, useless to sport shooters, going nowhere.

[JVahey]

80000 psi won’t work in many combat situations.

[Glad2bnuts]

A combat arm is not supposed to be for distance shooting. It is to put lead downrange and a lot of it if necessary. Anyone else think this is a method of making .223 and .556 ammo less available?

[Red Badger]

Yep........................

[MCF]

The pressure at the muzzle must be extremely high resulting in a very large muzzle blast.

[lgjhn23]

“..Anyone else think this is a method of making .223 and .556 ammo less available?..”

Without a doubt.
However, for those that reload, it’s a relatively easy round to do, even on a progressive press. There are zillions of spent brass out there capable of being reloaded with a huge variety of bullet weights and common powders.

[T.B. Yoits]

Why not go to the AR-57 that uses 5.7x28mm rounds with FN P90 magazines?

A 50-round magazine aligns along the top of the barrel and the expended brass ejects down through the empty magazine well. You can use an empty magazine without the spring as a shell catcher. They even make hollow magazines to direct the rounds down, out, and farther away from the shooter's feet.

https://www.youtube.com/shorts/drn8JY0ppHI

https://americanshootingjournal.com/fully-functional-five-seven/

https://palmettostatearmory.com/panzer-ar57-ult-upper-assembly-5-7x28mm-12-ar57ult-12.html

[doorgunner69]

Later.

I am still a .308 guy but willing to listen

[Big Red Badger]

Prices ain’t going down anytime soon and
277 Fury -no-—30 Fury describes it better.

[Big Red Badger]

Less available——sure,
as well as
Take out enemies at 500 yds with vests
that are using 223/556 .
.
That’s what They said.

[Pilsner]

It is an answer to a specific situation. If the US Army find itself in that situation, it will have the ideal rifle. If it finds itself in a different situation, …

[Tijeras_Slim]

Quantity downrange is the penultimate consideration.

[Joe 6-pack]

80,000 psi is going to wear out barrels in pretty short order.

[going hot]

Nice article mostly. Does have some glaring inaccuracies that this guy should know better of.

[DesertRhino]

Can’t even imagine...

[Myrddin]

However, for those that reload, it’s a relatively easy round to do, even on a progressive press. There are zillions of spent brass out there capable of being reloaded with a huge variety of bullet weights and common powders.

You can reload the .223 Win cases for .223 OR you can do a little surgery on the brass to make a 300BLK case. The BCG for .223 and 300BLK are identical. When I build my upper, I include a laser engraved dust cover with the .223 or 300BLK marking. You don't want to chamber a 300BLK into .223 barrel.

[Myrddin]

The Ruger LCC is a 5.7x28 rifle. It uses the same magazines as the Ruger 5.7x28 pistol. The AR57 has more magazine capacity and down ejection vs out the right side with the LCC.