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Looks like the crowd is split - some recognize my irritation at the "gun rags" for mostly speaking for the paying customer, some would brand me as a heretic for having expectations that standards of journalism would carry over to "gun rags". I guess I'll shut up now and go out back and try out my new PMR-30.
How much did that PMR-30 set you back? I saw several at last week's gun show, but at the $500 asking prices I've no interest. I'd probably bite at $300-350.
Dang! Looks like I overspent for my subscription. They knocked it down to $10. I didn't wait long enough, I had all that dinero burning a hole in my pocket.
Those mags are just a form of entertainment. Good luck.
I agree the article could have been a lot more. If the goal is to inform readers and help Hornady sell ammo, then the biggest oversight was not mentioning that it works in 300 AAC BLACKOUT guns. There are about 30 companies making blackout guns or barrels.
Gemtech demoed their can on a 300 AAC BLACKOUT upper at the Indiana Hush shoot:
You can do what the .300 Whisper does with 7.62x39 or other calibers, if you handload. I haven't seen any sub-sonic 7.62x39 factory ammo though. The factory offering of ammo is the key to the story.
I have yet to see the 7.62X39 equal the accuracy of my 300 Whisper in any firearm platform or bullet weight. Just because you can duplicate the velocities does not mean the cartridge does the same job as well. The G&A article was more about the round becoming a factory produced round than anything else...after all the magazine's name is Guns and Ammo.
If you made a subsonic 7.62x39mm, you would have to do a custom twist barrel. You would have to use 0.311 bullets - of which there are few. You would still have the problem of it not working in an AR magazine and with a fragile bolt. And the case capacity is larger, so you would have to download supersonic if you wanted any chance of it not hypercycling the gun (after the gas port was set to run the subsonic).
I'll stay with a 308. One thing I do know, no barrel is going to shoot both a 110 or 120 gr bullet and a 220 gr bullet and do both well. Lets throw another 30 into the mix the lowly rem 30 they made up for the ar. Arrrrrggg To much new junk that really does not improve anything that has not been done before.
It improves on what has been done before. Name one cartridge which can be used instead of 300 AAC BLACKOUT and I will tell you what 300 AAC BLACKOUT does better.
As far as shooting 125 Ballistic Tip and 220gr. bullets well, a 1-8" twist Douglas barrel did some fine shooting with a 16.5" Remington 700 in .300 Whisper. The 125's were printing under an inch, and the 220's wouild do as good as I could load them (loading pistol charges and expecting subminute @100 yards is often claimed, but I personally don't see it too much). Too many variables with the burn/volume/velocity fluctuations. However, having subsonic and suppressed 220's packing more punch at 400 yards than a .45acp does at the muzzle is nothing to snear at.
We did 110 grain bullets, the shortest we could find - and 50 rounds (10 groups, 5 shots each) averaged 0.85 inches at 100 yards. Every shot was counted.
Lots of people 'know' that faster twists does not work with short/light bullets, but we tried it, and they work well.
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