The main advantage is that it was submitted to SAAMI so now larger companies can make ammo and guns for it. Aside from that, 300 Fireball and Whisper(TM) can do all the same things as 300 AAC BLACKOUT. But yes, 300 AAC BLACKOUT seems capable of higher velocities for any given pressure limit. By the end of next week I should know more about how much we are talking about.

Reliability
 

I guess reliability means feeding like its supposed to in a semiautomatic, full auto , or even bolt action mode. Us encore and contender single shot guys don't have those challenges.:cool:

For what it's worth I like that they are taking the reliability first approach. To me an AR is a fighting gun first and a hunting gun second so reliability is my first proirity as well.

As for the super vs subsonic argument, I agree that the bread and butter for the 300W and 300BLK is subsonic suppressed shooting. It was the design criteria for the round in the first place. That said, having a gun that can do both certainly has its advantages. In fact, I think that is one of the most beneficial aspects of this cartridge. I can load 240SMK's for very reliable and quiet subsonic suppressed shooting and then load a mag with 110gr Barnes bullets for hunting or defensive purposes without changing anything. That is a level of versatility that is uncommon and I think it has merit.

rsilvers, any more info on these mags? Metal or polymer? Capacity? Price and release date?