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7/13/2022 12:57:53 PM EDT
I am in the market for a MP5/SP5. Magpul already makes the D50 drum for the MP5. It would be neat for a 30 round dual stack mag.
7/13/2022 1:52:44 PM EDT
[#1]
Correct me if I’m wrong, but I believe Magpul said years ago that because of the geometry of MP5 magwell, they weren’t able to make a standard double stack magazine because the polymer would be too thin.  The reason they were able to make the drum is because the drum mag is single stack going into the magwell, thus allowing for thick enough polymer and proper feeding mechanism.

Again, if I am recalling incorrectly, someone please provide the correct information.  I am old, forgetful, and currently experiencing COVID brain fog.
7/14/2022 4:53:38 AM EDT
[#2]
Quote History
Originally Posted By agnisco:
Correct me if I’m wrong, but I believe Magpul said years ago that because of the geometry of MP5 magwell, they weren’t able to make a standard double stack magazine because the polymer would be too thin.  The reason they were able to make the drum is because the drum mag is single stack going into the magwell, thus allowing for thick enough polymer and proper feeding mechanism.

Again, if I am recalling incorrectly, someone please provide the correct information.  I am old, forgetful, and currently experiencing COVID brain fog.
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I remember hearing the same thing from Magpul.
7/15/2022 11:07:32 PM EDT
[#3]
Correct on the too thin polymer flim flam.

But what if'n they made a steel reinforcement insert?? Maybe just the upper 1/4 or so?
7/16/2022 9:21:07 AM EDT
[#4]
Quote History
Originally Posted By 19Charlie_84:
Correct on the too thin polymer flim flam.

But what if'n they made a steel reinforcement insert?? Maybe just the upper 1/4 or so?
View Quote

I know there's two versions of the AK mag. One is a MOE version and the other one has steel reinforced lips. I agree if they would to do that it might help with the feeding and reliability of the mag.
9/7/2022 8:20:31 PM EDT
[#5]
Quote History
Originally Posted By kcolg30:
I know there's two versions of the AK mag. One is a MOE version and the other one has steel reinforced lips.
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Only the locking lugs are steel reinforced on the M3 AK mag. The feedlips are still just plastic like the MOE mag.
9/27/2022 3:15:13 PM EDT
[#6]
I think there’s a better chance of Lancer making them with their hybrid design. I know if they did I’d get at least ten. HK mags are too precious for my wallet, I’d rather buy ammo.
Appeasing crocodiles is futile.

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