223 be achieved that will cycle a 5.56 AR? Maybe if one could load a 150-200 grain bullet. I've experienced enough lodged bullets and they aren't fun.Ĭan a subsonic. Can one use light bullets in subsonic AR loadings? Probably, but I won't. In guns w/o a gas port I use lightweight bullets for subsonic. I know the 100 yard group was terrible because the bullet has destabilized. That was many years ago that I did that work and some of it is sharp and some is fuzzy. At 100 yards the bullets are keyholing and groups were around 4" if I remember correctly. It was a tackdriver out to 75 yards but with a rainbow trajectory. I think my subsonic AR load used Green Dot and i know it used a Sierra 70 gr. I also don't like using really fast powder. Of course with guns having a gas port near the muzzle, or entirely absent, that possibility is greatly reduced or eliminated. You also won't experience lodged bullets in the barrel. You'll hear it (or not hear it) when you go subsonic. I suggest that they start slightly higher, into the super sonic range and work down. Oh, and you had better know what you're doing. So to counteract this I tell folks to do exactly the opposite of what is suggested when loading. If too little velocity is attained or the bullet is too light the bullet doesn't exit the barrel and the pressure can be heard to FFZZZZZ as it leaks out the port. We're not dealing with much pressure when using fast powder in the 5.56/.223 when the bullet reaches the gas port. I like my subsonic loads to use a heavy bullet for the AR. The problem with subsonic loads in an AR is the gas port in the barrel. Sure it could be fired out of an SBR or handgun, but it'll never reach much above subsonic and be safe. It's just plain neat to shoot something even quieter than an air rifle, but with way more power.Mark got it right, subsonic and not normal 5.56/.223 velocity. Plus, I had everything, just took stuff that I wasn't using off of the shelf.Īnd yes, there is the "cool" factor as well. ![]() The load uses a primer and 2.0 gr of green dot, brass lasts forever. Expense? I don't remember what I paid for surplus and blem 33 gr V-Max bullets, but they were very inexpensive. Besides, my load is much more accurate than any. Yes, it can be cheaper to shoot, but not in my sealed can designed for 5.56 Nato.22lr but rarely through the can, the subsonic centerfire fire is for shooting vermin through the can. Maybe as a trainer that's why my dealer wants it? I dunno, I didn't ask.Ībout. Suppressed subsonic requires no hearing protection whatsoever. I'm guessing supersonic ammo is no good for the hearing after firing lots of it- heck, supersonic is still plenty loud. My bet is that it can't be solved unless the gun is modified, or has an adjustable gas port. To recap, I asked for another individual, but I find it an interesting problem and was wondering if anyone has solved it yet. I'm saying that I have no need of a load that cycles the action. If I ever had to drop game silently, so as not to give away position it doesn't need to function the rifle IMHO. Myself, If I have to shoot "other" vermin with the AR-15 I want supersonic ammo so that their buddies don't know where I am. The third thing he did was say," I'll never hear you exterminating red squirrels anymore.". ![]() The second thing he did was ask, "What the hell just happened?". I've been working on it on and off for about 15 years now.īTW, when my neighbor experienced the sub sonic load, the first thing he did was paste a big s-t eating grin on his face. Personally though, I find it an interesting problem in reloading and I'm an experimenter, that was another reason I asked the question- curiousity. For the AR-15, well, if you read the initial post, I was asking for my dealer, he's in LE (and a trainer) and I didn't ask why he wants it. I don't like bothering the neighbors when dispatching vermin, hence the Contender subsonic load, and I value what's left of my hearing.
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