Shield 9 hyve +2 extension problems

BLUEDIAMOND6.0 · Mar 8, 2017

As the title states I bought a +2 mag extension for the shield 9 . Took it apart got rid of the spacer base plate per install and went to load the mag in the mag well and will not seat. I have to hit it hard for it to seat all the way in. I have called hyve and they sent out another thinking it was a mix up or error. I had the same issue also with the second one. Decided to send them a video on what was going on and they sent me another one. So I am 3 extensions in and still having the same issues that it does not want to fully seat down. From the looks of it looks like the extension hits the bottom of the mag well making it bottom out when it needs a bit more to fully seat.i seen in pictures and videos that there is a slight gap between the Handel and the hyve extension . Mine does not have that. There is no space at all which I think is the the problem that the hyve needs to have a bit taken off from the top.here are some pics hope some one can shed some light on this issues. I have sent 2 other emails explaining what I think is going on and no replies from them yet it's been about 1 week.

The 3rd pic shows a slight gap I think I need that all around but just is bottoming out on the Handel .

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JVSIII · Mar 8, 2017

There is at least one manufacturer of mag wells for competition that stopped making them for the m&p due to too much variance in frames I would hate to cut on a frame but it sounds like it's either out of spec or on the top end. I doubt s&w will do anything since it's only interfering with a non stock part, but it maybe worth a call.

Another thought, have you tried the extension on another magazine?

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Cat9mm · Mar 8, 2017

Had same problem. No response from HYVE.
Got on bench sander, and started sanding top of mag extension (follow the existing shape) until mag would lock in and leave about 0.5 - 1 mm gap. Space is needed - you want to just PAST the mag lock for it to grab. You don't have to completely reassemble the mag when checking, just slip it on, and see if it fits into the magwell. You're on your own for refinishing the sanded portion. I would not sand the gun itself - the originals work fine, right? Look at how much gap the originals have.

Ranger17 · Mar 8, 2017

slight side track (as i dont use these mag extensions); I did though recently get a Pearce grip extension to use on my 7 round mag for my PC Shield and at first it would not seat in the gun (i have 5 mags and they are all fine in stock form).
Never used those before and as it was cheap took a little sandpaper to it. Then it worked fine. Asked the manu if that was normal for their item in case i wanted to pick up more, and this was their response back.

Our PG-MPS is slightly thicker than the factory base plates to make up for the difference in the gap that most Shields pistols have. The lock up on the Shield pistols can vary some in the space between your magazine release button and the base of the frame due to tolerances. You did exactly what we would have suggested which is sanding off a small amount of material.

Not advocating sanding down anything on the gun itself (I sure never would), just thought i'd send the info as what Pearce told me may apply to the OP's issue as well; concerning gaps that may or may not be there.

BLUEDIAMOND6.0 · Mar 8, 2017

JVSIII said:
There is at least one manufacturer of mag wells for competition that stopped making them for the m&p due to too much variance in frames I would hate to cut on a frame but it sounds like it's either out of spec or on the top end. I doubt s&w will do anything since it's only interfering with a non stock part, but it maybe worth a call.

Another thought, have you tried the extension on another magazine?

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Yea I wouldn't sand the frame down it would be they hyve extension , I did order a new mag and same results . I want to sand the hyve extension itself but then would have to repaint it some how and that's if it would hold up unless had somewhere do it. Thanks for the info might just bag these up and sell them since I had no luck.

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Shield9mm · Mar 8, 2017

That looks normal to me, I have two of those, with the same gap, haven't had any issues with mine, if they lock when inserted and cycle good when shooting I wouldn't worry, if the gap bothers you too much you can file the extension down.

BLUEDIAMOND6.0 · Mar 8, 2017

Cat9mm said:
Had same problem. No response from HYVE.
Got on bench sander, and started sanding top of mag extension (follow the existing shape) until mag would lock in and leave about 0.5 - 1 mm gap. Space is needed - you want to just PAST the mag lock for it to grab. You don't have to completely reassemble the mag when checking, just slip it on, and see if it fits into the magwell. You're on your own for refinishing the sanded portion. I would not sand the gun itself - the originals work fine, right? Look at how much gap the originals have.

Yea originals fit fine no issues, that sanding part sounds good but then the paint work is another thing. I will just sell these , I just find it sad that they can't even get back at me with response .

I did notice on my mags that came wit it and one I bought apart from the firearm that looking at the round count indicator is off or hard to tell exactly . My other sd9ve and new m2.0 are clear as day and I can tell the round count is accurate . Here a pic of what I mean hard to tell how many is in there but it is all 7 rounds and same with the 8 round mag

Idk if this is common or not

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BLUEDIAMOND6.0 · Mar 8, 2017

Shield9mm said:
That looks normal to me, I have two of those, with the same gap, haven't had any issues with mine, if they lock when inserted and cycle good when shooting I wouldn't worry, if the gap bothers you too much you can file the extension down.

I wish I had that much of a gap like u do. When inserting it will not lock up. Even if I did it fast and harder still won't lock. I have to smack it hard to it to even lock up and pushing the mag release is harder .

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gqllc007 · Mar 8, 2017

Get MagGuts +1 and the +2 if you want. I have both of those. The +2 is not as comfortable as a sharp edge hits my palm swell. I mush prefer the +1. I also have the hyve with no issues like you have. I replaced the oem spring in the hyve and all my other 8 rounders with Wolf springs

Shield9mm · Mar 8, 2017

BLUEDIAMOND6.0 said:
I wish I had that much of a gap like u do. When inserting it will not lock up. Even if I did it fast and harder still won't lock. I have to smack it hard to it to even lock up and pushing the mag release is harder .

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def sucks, I would just return them then. I think you can do it between 30 days.

Fastbolt · Mar 8, 2017

A couple thoughts about non-factory parts, gathered from armorer instructors for both Glock and S&W ...

Aftermarket companies usually aren't given the engineering specs for the major components, parts and assemblies as produced by the gun manufacturers (for obvious proprietary reasons).

That means they have to examine parts from guns they usually buy. (Or maybe is loaned to them by a customer?)

To paraphrase one instructor, if an aftermarket company only measures a few guns, and not a thousand or a couple thousand guns, they may not get the whole picture when it comes to various allowable specs and acceptable tolerances. That's probably going to affect the tolerances and clearances of some aftermarket parts and how they fit and function in different guns.

Now, FWIW, we were told that the primary purpose of the plastic sleeve used on the longer Shield magazines is to prevent over-insertion of the magazines and damage to the ejector. Removing the plastic sleeve from the longer magazine and over-insertion can break an ejector.

The buttplates on the standard length mags serve the same role.

So, it's important not to be able to over-insert a magazine ... whether or not it's a factory magazine, or one modified from factory condition, I'd imagine ...

Just a thought.

BLUEDIAMOND6.0 · Mar 9, 2017

Fastbolt said:
A couple thoughts about non-factory parts, gathered from armorer instructors for both Glock and S&W ...

Aftermarket companies usually aren't given the engineering specs for the major components, parts and assemblies as produced by the gun manufacturers (for obvious proprietary reasons).

That means they have to examine parts from guns they usually buy. (Or maybe is loaned to them by a customer?)

To paraphrase one instructor, if an aftermarket company only measures a few guns, and not a thousand or a couple thousand guns, they may not get the whole picture when it comes to various allowable specs and acceptable tolerances. That's probably going to affect the tolerances and clearances of some aftermarket parts and how they fit and function in different guns.

Now, FWIW, we were told that the primary purpose of the plastic sleeve used on the longer Shield magazines is to prevent over-insertion of the magazines and damage to the ejector. Removing the plastic sleeve from the longer magazine, and over-insertion, can break an ejector.

The buttplates on the standard length mags serve the same role.

So, it's important not to be able to over-insert a magazine ... whether or not it's a factory magazine, or one modified from factory condition, I'd imagine ...

Just a thought.

Thanks it was good reading !

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Cfuzzkennedy · Mar 9, 2017

Great, I just ordered one.

walkin' trails · Mar 9, 2017

I haven't really played with any aftermarket parts for any of the M&Ps, other than sights, but have with Glocks. In my personal experience, I've seen few aftermarket parts that were as reliable as the factory without a lot of work fitting them for maximum reliability. That is why there are artesians called gunsmiths. With the S&W and Colt revolvers I grew up With, there really weren't anything you could call "drop-in." Although there were, and are spring kits and such, as well as a lot of stuff for 1911s and High Powers, they require some fitting. That apparently applies to something as seemingly simple as a magazine extension, apparently. If you want more rounds in the mag, but can't get the extensions to work on your Shield, consider moving up to a higher capacity gun such as the M&P 9c. Otherwise, buy more mags. Cost wise, I've seen some aftermarket extensions that cost as much as a new factory mag.

BLUEDIAMOND6.0 · Mar 9, 2017

Cfuzzkennedy said:
Great, I just ordered one.

Hope you have better luck then me, I was all excited then that happen.

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Cfuzzkennedy · Mar 9, 2017

Yeah, me too. I guess I'll post my results in a couple of days.

JVSIII · Mar 10, 2017

Walkin' is spot on. This is the reason I usually advise newbies against the 1911 platform, it's from a time when everything was fit by hand.
Just like anything once you modify it, everything has to be reassessed. Something as simple as changing a magazine release can affect reliability. If I change anything, I try to do a thorough testing of at least a couple hundred rounds before carrying it again.

I would definitely advise hyve of your issues, a good company will want to know and will hopefully make adjustments for better reliability.

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Cfuzzkennedy · Mar 13, 2017

Well, I guess my luck is better than yours. I got my Hyve+2 in the email today. Installation was a breeze and it seats perfect with zero issues.

BLUEDIAMOND6.0 · Mar 13, 2017

Cfuzzkennedy said:
Well, I guess my luck is better than yours. I got my Hyve+2 in the email today. Installation was a breeze and it seats perfect with zero issues.

Well lucky you lol, I think I will just move on and sell these and go a different route .

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BigDog48 · Mar 13, 2017

Aftermarket mag extensions (or mag springs, or followers, etc.) are asking for trouble, in my opinion. You bought a 7/8 round concealable pistol then you assume someone else can build a better mousetrap than the engineers who designed the pistol. Why not just stick with 7 or 8 rounds and learn to switch mags faster if you think you're going to be in a gun battle, or buy a Glock 19 or 17 and stuff it in your pants?!?

Mags are part of the basic firing component of the firearm (7 rounds consistently is better than a jam), so leave well enough alone and save some $$$$.

Don't care, really, you can do anything you want to your pistol, but why?

Shield 9 hyve +2 extension problems

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