Dagger and Falling Mags

Have been having an issue with the mag falling out while firing. This occurs 100% of the time during the last 3 rounds (of a 15 round run) with pmags. Happens about every 2-3 round with ETS mags.

It happens with both one and 2 handed grips.

There appears to be some wear developing on the front lip of the magazine as if the slide is dragging against the magazine.

Has anyone else experienced this? If so, how did you resolve it?

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If you lock the slide back using the slide stop lever and slowly insert an empty magazine, can you see what the lip of the magazine is hitting? Is it hitting the feed ramp of the barrel? Or something else?

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Looks like the feed ramp may have been hitting the magazine. Its not touching now, but when I slowly advance the magazine with a locked slide, it looks really close and the marks on the magazine matches up to the slide

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Please post a picture or two….close ups of the mag….in the gun looking at the wear marks……this will help the forum members to understand, evaluate and help you resolve this.

yup - my Dagger (shipped Feb 2022) dropped Pmags and Glock OEM mags like every other shot. PSA sent me a replacement barrel and mag catch. Fired another 150 rds through it and looks like Pmag and Glock mags are holding ok now, but KCI aftermarket mags were still dropping. Lots of reports of this problem. Pretty bad…

If you are having this problem shoot me a PM and we will get you fixed up.

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I wonder what changed all of a sudden to cause it. Maybe a new mag catch version or vendor? Idk.

I’m confident they will get it right and fix it for all affected.

@SuperPredator,

In mid-January, PSA started shipping the Dagger with two new barrels. One barrel has a steep crown, hex-shaped muzzle exit, and is stamped “9MM” on top. The other barrel has a flat crown, round muzzle exit, and is stamped “9x19” on the side. The new barrel stamped “9x19” on the side is causing magazines to fall out. However, magazines are also falling out with certain aftermarket barrels including Swenson, CMC, and Zaffari Precision. The root cause of the issue is not the barrels. The root cause of the issue has been there all along. The new Dagger barrel and aftermarket barrels have simply exposed the issue.

Both @chasnelva and @bill_hobbs reported that magazines fell out with the new barrel stamped “9x19” on the side. PSA customer service mails out the new Dagger barrel stamped “9MM” on top as a replacement barrel (along with a new magazine release and spring).

If forum members are having trouble with magazines falling out, they should inspect the front lip of their magazines for wear. Refer to the attached picture. This type of wear is an indication the barrel feed ramp is making contact with the magazine and causing the magazine to fall out. Again, the root cause of the issue is not the barrel or the magazine.

Please don’t ban me from the forum for answering your question. I’m simply trying to help our forum members.

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Thank you PSA for resolving the issue! I took the Dagger back out to the range yesterday and ran another 200 rounds through it without any problems!

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Good info. I think what you have found out could help everyone invested. Thanks for posting it

Can we assume you were mailed a new Dagger barrel stamped “9MM” on top along with a new magazine release and spring?

Thanks……that is some SOLID information that will resolve many peoples problems with this platform.
If it was my Dagger (I don’t own one yet) I would be filing a little off of the bottom of that feed ramp. That’s just me. I love to fiddle with something to resolve performance issues.
I digress………WickedBeerNut you have done some excellent detective work.

Yes, PSA shipped me out a replacement barrel with “9MM” on top and steep muzzle crown. Try to post pics here; replacement barrel is on left in both pics. You can see that in addition to the muzzle crown, there is distinct differences in the bottom lug geometry with different angles of cuts on it. As I said; after I swapped out the barrel and put in the replacement mag catch they also sent (which looked identical to the original one), it seems to keep the Pmag and Glock OEM mags seated while firing, but not KCI aftermarket mags. I guess if it functions reliably with Glock factory mags that is satisfactory, but would have been nice to have it function with variety of others as well… it’s a flaw that certainly takes confidence away from the pistol as a defensive carry option until I can prove that it runs 100% with specific mags without doing this. I will say that PSA Customer Service is very responsive and quick to assist. Just frustrating that I spent $40 on mags that won’t work (even though they work in other Glock 19 Gen3 clones and Glocks) and spent about $120 of ammo just seeing if the mags are going to stay in the gun… that’s not quality range practice time when you can’t focus on shooting because you’re attention is focused on having to catch your mag unexpectedly. Again, PSA customer service and their President were very helpful to try to fix this and the walking trigger pin (still TBD if the replacement pin they sent will fix that problem), and other PSA rifles I’ve bought have been great.



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Thank you.

Here is another approach to determine whether your barrel feed ramp is making contact with the magazine and causing the magazine to fall out …

This illustration depicts the forward lug of a “Glock” barrel (yellow) dropping into the locking block (light and dark green). The locking block serves to stop and lock the barrel. This corresponds to the barrel (and feed ramp) in its rearmost position.

Note: The barrel is normally canted up slightly in this position.

In order to manually recreate this situation …

Safely field-strip your Dagger. Remove the recoil spring assembly and barrel from the slide. Fully insert an empty magazine into the frame. Drop the forward barrel lug into the locking block. Apply pressure to the front of the magazine using your pinkie in order to push the top of the magazine completely forward. You should see a small gap (yellow arrow) between the barrel feed ramp (red arrow) and the lip of the magazine (green arrow). If you don’t see a gap, your barrel feed ramp may be making contact with the magazine and causing the magazine to fall out.

Note: In this picture, I’ve applied Wite-Out to the lip of the magazine in order to make the gap more visible.

The illustration in my previous post was taken from this YouTube video (highly recommended) …

Follow up to my prior post in this thread. Took my Dagger out to range today; second time out after swapping out the barrel with the replacement one from PSA, the replacement mag catch/spring and the “new” trigger pin PSA sent me. Ran Glock OEM mags, Pmags, and KCI mags. None dropped from the gun during shooting, and I ran it slow and fast. 115 gr FMJ and 115 gr JHP rounds. No failures of any kind with 150 rounds fired this time. That gives me hope the barrel replacement did the trick. The trigger pin is still moving to the right, enough to notice after 100 rounds, but a quick tap on the side against a hard surface edge or use a punch and it’s back center. Annoying but I can deal with that and it doesn’t affect the functioning of the gun. The gun is certainly accurate enough as I get used to the trigger; kept all my shots on a paper plate at 7 and 10 yards doing two shot edge/face target drills today (with the face showing for 2 seconds). Good enough for my purposes.

So I am having this issue.
I have a dagger frame that required a trigger/housing and am using a dagger slide but I tried to use a GGP barrel (stock glock barrel seems ok)

If the barrel isnt the root cause, what is?

The locking blocks interfere with some barrels.

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By the way, my above post was based on what a PSA employee stated. Some folks on another forum who think they know it all but are just massive douche nozzels showed how stupid they really are.

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