5/12/2023 0 Comments Subsonic 223 loads forumIt would likely need to be highly customized for just that purpose. My point is I think it could be done but your not likely going to get any old pistol upper to work. Start playing with different combo's of all the above and I'd think you'd get something to work. That should push more gas down the gas tube pushing the BCG harder. Try a 10" barrel with a 5" gas system giving you an extra inch of dwell time. Lets say your 10" barrel has a 6" gas system leaving you with 4" of dwell time. Not sure where the gas port is on a 8" or 10" barrel. I'm thinking there are many things you can do to make it work really. I'm thinking a heavy bullet 75gr or 77gr maybe 69gr and a very slow pistol powder may do the trick. Let me start by saying I really have NO idea but here is my thought on this. So far nobody has answered the question of whether a 223 can cycle with subsonic ammo reliably or not. This is why I'm asking about the 300 AAC. While the 9mm AR pistol may be the best option, it won't be the most inexpensive for me. In terms of subsonic, I was mostly curious about getting an AR pistol down to that level at least as it would get me under 1300 fps, and even that is high for a handgun. Handguns are obviously more practical for that, and arguably an AR pistol in 9mm may be the best option, but I would like a better round than 9mm. I'm more so trying to figure out a way to bring the FPS down to a more manageable level inside of a home, so there is less danger is penetrating walls and hitting someone in another room. Nothing to do with sound, as I can't have a suppressor anyway. May I ask why you want to want your home defense gun to be subsonic? Unless you're shooting with a suppressor, intentionally downloading your ammo has just about no possible benefits. 22lr sub?Īpart from anything else just what sort of a twist do you expect down the barrel of your. 223 will have a terrible arc and make hitting things a nightmare, just where are you seeing an advantage of a. 223 (lets forget BC for simplicity) and a 75g sub sonic. 22lr will have the same arc and energy as a 40g sub sonic. 22lr and will have little or no advantage at 100 yards over the. If it is sub sonic then it will be the same speed as your. 223 would certainly have that extra punch for vermin control with little noise. 22 subsonic is not much better than an air rifle, but a. My thoughts are based solely on noise nothing else and to me a. That got me thinking, no noise but plenty of hitting power at 100 yrds. 17hmr, unless I want something quite ie subsonics. The reason for the original question was based on the fact my. Source: Modern Reloading by Richard Lee, 1996 Ed. Only one load given "start" and "never exceed" figures are the same. I'd sell the LR as I rarely use it other than for braining cage trapped Foxes! I wouldn't even need to re-zero my scope for that.Ĥ5gr bullet over 11.5gr of IMR 4831 for predicted MV of 1085ft/sec with pressure at 10700 CUP and minimum COAL of 1.720". I'd love to work out some sub loads for my Hornet. If you're not doing it often £40 for powder is better than a complete. 22lr.Īs for making the loads, all you'd need to lay out on is a tub of powder. Shot placement will be a little less critical on a Fox than it would be with a. All you have to do is zero with the subs and you don't have anything to think about other than what you would with the. 22lr without thinking about drop? He said 10" drop compared to his normal loads. I can see where that could be useful.Ĭan you shoot at 100 yards with a. 308 doing the same speed will give you around 450ft-lbs. 22lr sub offers about 80ft-lbs at the muzzle if I remember right.
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