A suppressor is very similar to the muffler on your car in that it reduces the muzzle blast. It retains the muzzle gas and allows the gas out more slowly.

There are powders that burn more cooly - not cold but cooler than other powders and that reduces barrel erosion. Heat is the major contributor to barrel erosion.

This new case is just an evolution in cartridge development. At one time, cartridges developed 40,000 psi and with new powders, that limit was raised to 50,000 ps. Then newer cartridges started operating at 60,000 and then 65,000 psi. The limit was the cartridge case and not the rifle.

What Federal is saying is that this new cartridge can operate in rifles available today and not need a special rifle. That is in line with what I have read - usable chamber pressure is limited to the strength of the cartridge case.

Now, the real question is whether this cartridge will be economically viable. Are there enough buyers that want a suppressor on a rifle and have their rifle have a reasonable barrel length. It seems that a number of European hunters use rifles with suppressors. In the US, suppressors are only now becoming available; however, I don't know anyone that has a suppressor on a hunting rifle.

I don't have a suppressor and being somewhat deaf (my wife says very deaf), I don't hear a rifle or shotgun blast when hunting and wear ear muffs only while at the range. Also, while I have a few new guns, I like shooting vintage guns. That said, I am not a canidate for this rifle cartridge. However, I wouldn't be surprised that in 5 - 10 years, more new cartridges use this new case and operate at higher pressures.

That is my 2 cents.