![]() ![]() NOW if 22lr is not available and you want something fairly quiet ( sounds like a cap gun) out of a 16" bbl, for vermin, by all means load away. Other than that, it's time better spent doing standard 223 loads, and using hand gun powder in hand guns. There are some practical uses, if you don't have a suppressor. Nice for shooting get togethers where you're limited distance wise. It makes great Kentucky Windage practice ammo. 18" MVP shooting 100 yds POI averages 6-8" low with 2-3" right of target. I load 2.8gr TG (not near load data) 55gr fmj 2.20 OAL using a tight crimp. While not useless, i'd say less practical than a 22lr. And both would most likely have the same level of effectiveness. It can easily be cloned by reloaders, however.īasically, these 2 center fire sub-sonic cartridges would have the same applications. Look at the PS90, FN won't sell the sub-sonic round to mere civilians, (even though it would be legal to do so). I understand that its applications would be seriously limited, but it is certainly not useless. 22LR is not useless, so why would a sub-sonic 5.56 round be useless? Like, your just as well off using subsonic 22 LR? Ideas?ĭoesn't the lack of energy of a subsonic 5.56 round make it just about useless? That - and I need to get it out - and not deal with liability. Some folks are doing some pretty hair brain things. Any ideas? Anyone have a point of contact at an AR or handloading magazine? From what I have read on other forums - the sooner I get this out into the wild - the better. I would like to get more out of it than knowing 10,000 people copied my load post and are taking credit for my work. MY ISSUE - I spent 7 years working on this. 300BLK was created, no Edit to add: Hodgdon now links to their reduced power data right on their home page. Of course, difficulty getting acceptable performance out of subsonic. I don't like the idea that someone is experimenting with duplex loads and will probably hurt themselves when I am sitting on a safe load. Having said that, I did not find such reduced loads to be very accurate. and one of the reasons I am posting this. Reloading data available in these calibers.22 Hornet.222 Remington.30 Carbine.300 AAC Blackout.308 Winchester.30-06 Springfield 7,62 x 39.303 British 8 x 57 IS. 300 Blackout, both Subsonic and Supersonic loads. My load is not duplex - which is just silly stupid to be doing. N110 will work in many calibers but one of our favorites to try is the. I am not using Trail Boss, Clays or Tightgroup - these are published non-cycling loads. ![]() My loads work in 16" carbines and 10.3" SBR's with a suppressor. You do have to pay attention to having the correct buffer and spring in your rifle. I've been at this since 2007 working with cast and jacketed projectiles from 53gr to 100gr. I have come up with a 223/5.56mm ammo that is subsonic, fits in a standard magazine, and cycles without modification to the rifle. well, not all on my own - I did have an ammo company give me some hints way back when. For this reason people shooting with a silencer prefer subsonic loads, even when shooting a rifle.Yes. As a side note, if a silencer is attached to the gun it will only suppress the muzzle-blast noise. Subsonic loads do not have this second component of noise. The noise that shooting makes has two components, the noise of the hot gases escaping the muzzle and sometimes flashing as they hit the atmosphere (muzzle blast), and in the case of supersonic loads the crack of the sonic boom as the bullet breaks the sound barrier. Most rifle loadings are all supersonic, so subsonic loads are specially down-loaded to stay below the speed of sound. In 9mm, most loading data are supersonic. 24257 Views 5 Replies 4 Participants Last post by Matchking Man. All data in this caliber is subsonic but is not normally tagged with the name subsonic. ![]() Not all "subsonic" loads are noted as such in the data, because the cartridge is not capable of producing supersonic velocity. Subsonic loads refer to those whose velocity is less than the speed of sound. ![]()
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