![]() Most of the noise inherent with shooting a rifle, however, comes not from the bullet breaking the sound barrier, but from expanding gases rapidly escaping the rifle’s bore. When a moving object, such as a bullet, breaks that threshold, there is an audible shock wave that sounds like the crack of a bullwhip. What is Subsonic Ammo?Īt sea level, the speed of sound is roughly 1127 feet per second. Still, subsonic ammo does fill an important niche for many hunters and shooters. Your rifle will still go bang, and none of this quieter ammo is powerful enough for hunting big game much past slingshot range. Subsonic cartridges do produce less noise than full-velocity rounds, but there’s no free lunch-as usual. The label on the ammo box says subsonic, so this stuff won’t spook every deer in the county like your earth-shattering aught-six does, right? Well, sort of. We haven't even gotten into POI variances between using a can and not using one LOL.We may earn revenue from the products available on this page and participate in affiliate programs. ![]() 22LR dedicated can is the way to go for your first suppressor IMO. Ultimately I said screw it, and bought one. Ultimatley, as I've said before, if you want the shot to be truely "quiet", you have to use sub sonic ammo with a suppressor which really equals the playing field on bullet weight and velocity.Įverything said, shooting suppressed, even supersonic is the way to go IMO. The one thing a suppressor does in the military, even with supersonic ammo, which really dosen't apply to civilian applications, is making the sound signature location harder to detect because your only getting the supersonic round whizzing by. You still have the sound barrier to deal with if it's a variable or the muzzle blast itself. The only thing I see SME doing is making a cheap decent blast tube which tries to redirect the muzzle blast and "sound concussion". 22LR cans sound better on rifles vs pistols or vice versa depdning on barrel length. Please note where the decible reading is taking place. 22LR round with subsonic ammo is the loudest due to the can being "cold". Generally speaking, the first round shot through a dedicated. Then you also have the "FRP" factor (first round pop) when shooting a dedicated. The issue is, you really don't know how loud the "shot" is until you hear them in person. I've got a couple of the ones in the video, and it is a pretty good comparison IMO. My gut tells me that even using a subsonic 300 blackout, their muzzle device probably wouldn't be hearing safe. Came to the conclusion that videos showing decibel readers were kind of useless.Īll that said, for under $200 and the varying prices of muzzle devices, I could see picking one a SME up just to try it out for the price point. I use to watch a butt load of videos on cans before I spent my money on my first one. I've got a hog for a 300 win with a 26" barrel, and although using a plus 20oz, 9" can it does make the rifle sound like a unsurpressed 22LR at the shooters ears, but it is still not hearing safe. That said, I feel comfortable saying that at 4" and under 14 ozs, it's utter BS that SME claims their "dirty 30" can will make your 300 win mag hearing safe (unless they are loading it for subsonic, which I can't see even see an idiot doing). 22LR using subsonic ammo will run in the 115-125 DB range. ![]() 300 BO, but if I could get a $175 SME and a $99 barrel, dies, brass, ect, I might be all over that. Would something like this stand any chance of making. I dont know what either really does at ear, but they do seem to make it less noticeable for kids/wife in the house 50 ft away. I have two styles of sound forwarders one on the 6.5x39 is basically a break with a about 3" sleave threaded on outside of break the other is just the outer sleave, no inner break, on a. 22lr pistols or 9mm riflea, I like ear pro. 22 LR from a 20" barrel be, 120dB, 130dB, less? more? So couple questions Ģ) at $175, they are way cheaper than an suppressor ($199+200 for a Po-boy)Ĥ) Is that even a significant change? I have no idea what the base dB for anything is. ![]() I assume this was with a 16" barrel, but they didnt specify. 300 BO was like 134 dB with 220 gr subsonic. 223/556 was 143dB at shooters ear and subsonic. Just watched a video, about the Witt Machine SME, Sound Mitigating Equipment, a double long sound forwarder. ![]()
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