COL is 2.200 with Sierra 55gr GameKing bullets. On another forum, a few said the 4.0 grs breaks the sound barrier, and a few had good luck with 3.6 gr. I loaded most with 4.0gr of trailboss and I loaded a few with 3.6 gr. Im going to see if the rounds are stable and if so, then I will try them with the suppressor. I will have to go to the range next weekend. I got some TrailBoss powder and I loaded 50 rounds.
#Subsonic 223 reloading data full
I fully expected to hand cycle mine when I went into the experiment.Īny serious undertaking on my part would be with full power ammo which is plenty quiet suppressed IMO. This is to be the accepted norm I would think. By reducing the power, you pretty much eliminate the ability of your gun to cycle. Even with 75 grain bullets, just how reliable will the results be in a serious situation? Also, bullets intended to fly at 2500 fps and above may be hard to stabilize at 1050fps etc, causing baffle strikes. You're taking a screaming-fast round and reducing the powder charge to below the speed of your average off-the-shelf bulk 22LR. I'm no "Operator"-just a guy enjoying his hobby playing with guns. It's a lot of fun getting the gun as quiet as possible and could be useful in pest elimination, but that's about it. I'm not saying it's impossible to get an AR15 to cycle with subs, but it would take some extensive mods/experimentation that would render it useless with full power ammo IMO.įor my uses, the subsonic ammo in an AR15 is not much more than a novelty item. The bullet hitting a target at 50 yds is the loudest sound. This gives my AR a sound similar to a Daisy BB gun. The bolt carrier appears to move about 1/2" and then closes back. Since I don't have an adjustable gas block, the action will attempt to cycle just barely. Any keyholing at all and that load does not get any more consideration. Only after several have passed that test do I attach the suppressor.
At the muzzle, about 10 or 15 feet and the 3rd at about 20 yds or so. I set up 3 sheets of cardboard at different ranges and shoot all three at once to test stability. Need to test the rounds on cardboard at as close a range as possible (like 6") to insure the bullets are stable when exiting the barrel. I have not done any accuracy testing yet. This with CCI #41 primers and mixed brass.
#Subsonic 223 reloading data crack
4.6 gr broke the sound barrier and I had the telltale crack on about 50% of the rounds. The load I settled on was 4.4gr Trail Boss. I have worked up my first 223 sub load using 55gr FMJ bullets. Try the round with your can off to make sure it's stable before silencing it. I've only reloaded for bolt actions, never for my AR and certainly not subsonic. I know not to believe everything I read, but I just want to make sure. The reason I ask is because I read on the internet that too little powder in the case can cause a pressure spike in the gun and blow it up or the bullet may not stabilize. Can too little of a powder load be harmful for your gun or silencer? Blow up the gun or cause baffle strikes because too slow of speed to stabilize the bullet. The best info I have seen so far is this old thread ĭoes anyone have any new info for load data that will be fairly silent? I found several people asking for reload information on the internet, but no real data. I do not care if it does not cycle the action.
223 is not much better than 22 LR but I would like a round that is quite. 223 for my SBR with use of a Ranger 2 can. Quote:case: Lake City Surplus, previously firedĬharge Weight Tested: 4 grains to 14 grains.I am looking to reload some subsonic. Here is his original load data that I saved and used. I went heavier than he did as he stopped at 55 grains IIRC. Loads, there is a member on the Accurate Reloading Forums named Seafire, his data is the data I started out with and it works well since that time I have used his initial load development for loading a wide range of bullets. Give Blue Dot and Red Dot a try, both work really well for reduced 223. I have been loading and shooting subsonic for years in a 223.
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