I totally get that idea on so many levels, but I question the reliability of the platform for that tactical situation. If you’re a door kicker and need something really really quiet with a lot of thump, the 300 is a great option. 45 Auto+P 230 gr HP XTP TAP® FPD round delivers 461 ft/lbs of energy. 45 ACP.Īccording to Hornday’s site, the 300 Whisper/300 Blackout 208gr AMax round delivers around 480 ft/lbs of energy and their own. So ballistically speaking, owners have a subsonic 30-round rifle that delivers the energy equivalent of a hot. Suppress the AR-15 and the operational gas pressure spikes up enough to reliably cycle a 300 Blackout/Whisper subsonic round.Īdmittedly, the 300 Blackout does fill a very limited niche, delivering a 200+grain bullet downrange with about 480 ft/lbs of energy at the muzzle. Take off the suppressor and your AR-15 becomes a single shot due to the lack of pressure to adequately cycle the sub-sonic round. With the 240gr bullet, it was also very powerful for a subsonic round, delivering nearly 600 ft/lbs of energy or about 25%-30% more than we currently see from the production 200-220gr rounds.Įven in an AR, I still get the 300 Blackout/300 Whisper in a subsonic round when suppressed because it is very quiet. SSK did AR-15 platform development allegedly to provide a long range, Hollywood-quiet, sniper round, but the positioning was a tough sell beyond niche military use.
Originally, in that configuration it was a stunningly accurate mortar round even out to 1000-yards from a TC Contender handgun–I shot mine to 300-yards with excellent accuracy. JD’s idea was to basically have a standard velocity sub-sonic round that could be lobbed accurately without the disturbance of the supersonic to subsonic bullet destabilization. Bullets tend to destabilize as they drop from supersonic to subsonic and accuracy degrades. The round really was originally designed to be subsonic, ideally carrying a massively heavy 240gr Sierra Match King bullets to maximize energy at subsonic velocities. In all, it was an interesting R&D idea that certainly expanded the capabilities of the TC Contender target pistol, but as an AR-15 round, it makes about as much sense to me now as it did then–which is to say, not much.
There was some “tuning” to get everything to work reliably on the AR platform, but he was the first. The 300 Whisper subsonic rounds were designed to be fired suppressed, and the high velocity rounds were meant to be fired un-suppressed. Take a look at the original concept JD Jones came up with through his company SSK, and you will see that in fact he did create the first 300 Whisper functioning AR-15/M16 equipped with a 12-14” long suppressor, which no doubt provided enormous amounts of back pressure to cycle the round. Theoretically, it’s great to have a hard hitting subsonic round that maintains very good accuracy with the 240gr Sierra Match King, but the sub-sonic 300 Blackout round we stuff into AR-15s will not actually cycle and function without a suppressor or funky pistol-length gas system. So yeah, I get the round and its background, and I’ve shot it extensively. It was something new to sell and they did just that in a big way.
AAC did have outstanding marketing, and after begin purchased by Remington/Freedom Arms Group/DPMS, that marketing power increased exponentially. It’s really not my legal decision to make, but it does seem pretty odd that in most cases you can use the dies interchangeably. Were these two great ideas conceived separately and independently? JD Jones did create the round first, and the Blackout followed after that. 308 round in it, and it’s powered with about as much powder as I put pepper on my salad. 300 AAC Blackout? I am really really quite confused by the widespread infatuation with the cartridge, and I really don’t get it even after owning and shooting the round.įirst let me say I do get the idea of the cartridge, and in fact I used to shoot the original JD Jone’s SSK 300 Whisper that AAC copied as the 300 Blackout–well, that they allegedly copied. Why was that funny, or in this case, why is everyone so nuts over. Okay, so I feel like the guy in the room who doesn’t get the joke.
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