I am through buying...

a revolver would avoid this issue if "rechambering" is causing nightmares!
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If this is actually a problem with the crimps being too loose it can cause a malfunction in revolvers that is very difficult to reverse. If the crimp is too loose, the bullets can back out under the force of recoil and tie up the cylinder.
 
So when did they stop putting cannelures in the cases below the bullet bases? I have some examples with it right here-Federal American Eagle ball and some FC 02 match ball ammo and both types have that little cannelure rolled into the case to prevent setbacks. The problem is, I guess, that is one more step in production, thus if eliminated, makes things go faster and saves them money? I suppose the makers don't expect ol' Goofy Goober to keep chambering and kicking out the same rounds all over again, they expect Goof will just go to the range, blast it all off, and come home happy. So if setback is giving you a pain, look for some brand of ammo with the cannelure in the cases. Or if you load, someone makes a tool to do your own as firing flattens it out pretty much.
 
disappointing Hornady ammo

I haven't had your problem, but I was unexpectedly disappointed with some Hornady 40SW 180 grain TAP ammo I bought, not the cheap stuff. I bought it on the specific recommendation of the gun store guy who said it's what he used for defensive ammo. Ok, $25 for 20 I think it was, each round hand-inspected etc etc.

So I go to the range to test my 40SW handloads, some cheap WWB FMJ and HP ammo, and a few precious rounds of this Hornady stuff.

Coming out of a 3" barreled XD40sc, the Hornady was dissapointing. The 180HP from Walmart (Winchester White box) was consistent at about 880 fps, the Hornady a bit less. But one of the 5 Hornady TAP rounds I tested was a dud! Chrony'd that one at 550 fps (it felt and sounded different like a low-powered round,too), as opposed to the about 870 or so that all the rest did.

Maybe I had an extreme fluke, but I decided no more Hornady TAP. Better consistency and frankly quality with the WWB ammo and a lot cheaper. The Hornady TAP ammo just isn't worth the premium price, really imo it wouldn't be as good as the cheap stuff even if it were at the "cheap" price.
 
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For all those that have a problem...

And decide to quit using brand XYZ, did you contact the maker? This does two things, first, it lets the maker know that there is a problem, and second, itr often gets you some free stuff for your trouble.

Nobody deliberatly makes defective ammo. But even the best QC is not infallible. The factory can't test fire every round, if they did they would not have anything to sell!

You need to let them know. And if they send you a box of new ammo, and it does the same thing, they NEED to know that TOO! They can't fix a problem that they don't know exists. And when they do make a fix, they need to know if it is working.

You are certainly justified to stop using any product you feel is substandard, but let the makers know (politely), and give them a chance to fix things.
 
I have a Colt Combat Commander that I carried for a number of years. Since it was my carry gun, I would unload it frequently by removing the magazine and then ejecting the round in the chamber. Loading and unloading ammunition in this pistol would indeed push the bullets back into the case. To address the problem, I just made sure I always used the same round on top of the magazine.

And I most definitely did not rack all the rounds through the action to see if it would happen again. If you know what caused the setback, why would you do it again?
 
You need to let them know. And if they send you a box of new ammo, and it does the same thing, they NEED to know that TOO! They can't fix a problem that they don't know exists. And when they do make a fix, they need to know if it is working.
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I did. The second time I talked to customer service I got the impression the guy thought I was just trying to get free ammo. I told him not to bother sending any more ammo as I would not be needing it. I did give him the lot numbers of the boxes.

If you know what caused the setback, why would you do it again?
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To test a theory I suppose. Defective ammo is what caused the setback.

Oh well.
 
Is there something about your guns that is different from my Ruger P series? I always keep a round chambered, but I place it there with the slide locked open, then close the slide and insert the mag. It's impossible to get set-back if the round never crosses the feed ramp. If you can't do it that way with your gun, why would you have such a thing?
Unloading is the reverse. Remove mag, then open slide with a hand cupped over the port to catch the round. Maybe your gun can't do that? There is a lot less room for error in the presence of mind..................
 
Not all guns are approved for "direct chamber loading" like the Ruger pistols. It can cause extractor damage in guns not designed to tolerate it.
 
had the same problem with 9mm.shop exchanged them after they chambered one round,then ejected it and it was set back.they sent the whole lot they had back to hornady
 
I shoot Hornady 115 gr JHP/XTP on a regular basis. I've had different setback experiences with different boxes that I've purchased over the last 2 years. For some, I rotated the rounds in the mag every time I rechambered to avoid setback. However, on the current box, for example, I can rechamber the same round 3 to 4 times with no noticeable setback at all. So, I don't know what is going on. My gun is a CZ P-01, 9mm.
 
Is there anyway we can see a picture of what you are talking about OP. I can't seem to picture it. I am using 180gr .40.
 
I opened a box of UMC by Remington in .45 ACP the other day. There was one round that caught my attention right away because it was sitting in the plastic compartments lower than all the others, so low that I thought it might be a primed empty case. I took it out and it was so set back that the edge of the brass was sticking out past where the bullet is rounded! I, of course, did not fire that round and carefully checked all the rest as I reloaded. Some did seem slightly set back, but I used them anyway.

It happens.
 
try easing the slide forward

I used to unload my .40 every time when I put it in the safe (now I usually leave it loaded). I hold the slide and let it gently strip the top round off the magazine.
I have noticed a little setback on a couple of rounds (Federal HST), after many, many times being chambered. I think it may be from hitting the feed ramp. After they get to the point where its obvious the bullet is moving back into the casing, I swap it with a new one.
If you do it this way, I think you'll find you can load the same round a lot before you see any difference.
 
I don't know for sure if all Cor-Bon's ammo is like this, but my ammo I carry in my .45 is from them and has been chambered many, many times without setback. Plus they put the cannelure on the case at the base of the bullet.
It's been very reliable so far, i e; no setbacks, reliable feed and function and accurate. FWIW
 
I don't know for sure if all Cor-Bon's ammo is like this, but my ammo I carry in my .45 is from them and has been chambered many, many times without setback. Plus they put the cannelure on the case at the base of the bullet.
It's been very reliable so far, i e; no setbacks, reliable feed and function and accurate. FWIW
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Yup. Same here. Although I have several different batches of Cor-Bon .45 ACP and not all of them had the cannelure. Cannelure or not, my pistols see frequent loading and unloading and I've never had any issues with setback with Cor-Bon ammo.
 
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