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Q&A for Stern Defense MAG-ADMP45 AR-15 M&P .45 ACP Magazine Conversion Adapter — 15 Questions & 16 Answers

Name Stern Defense MAG-ADMP45 AR-15 M&P .45 ACP Magazine Conversion Adapter (4.5)
$240.41 $186.99 Save 22%
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Q
Nightfall, member, from RI, United States, asked on May 30, 2023

Will this work with 1911 magazines?

Manufacturer Answer
A
Answered by STERN DEFENSE, Manufacturer from MO, United States, on May 31, 2023

It will not.

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Q
Angry pewman, guest, from MA, United States, asked on August 16, 2022

Will this accept 45 acp glock magazines? Cannot find a magwell adapter specifically for 45 mags

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on August 19, 2022

Unfortunately, we do not currently carry a magazine adapter that is compatible with .45ACP Glock magazines.

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Q
dan, member, from SC, United States, asked on September 19, 2024

Is this compatable with the FM Mike-45 upper?

Manufacturer Answer
A
Answered by STERN DEFENSE, Manufacturer from MO, United States, on November 27, 2024

We have not tested with their upper or heard customer feedback that it doesn't work.

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Q
John, guest, from ID, United States, asked on September 06, 2024

do they make one that uses glock style mags

Manufacturer Answer
A
Answered by STERN DEFENSE, Manufacturer from MO, United States, on November 27, 2024

Glock 21 magazines are too wide to fit in the lower of an AR15. If you want to use Glock 21 magazines you will need to go with a dedicated lower.

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Q
Mike, guest, from MI, United States, asked on December 15, 2023

will it also work for 10mm in a AR15 m4 Glock mags

Manufacturer Answer
A
Answered by STERN DEFENSE, Manufacturer from MO, United States, on November 27, 2024

It will not.

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Q
Randy15, guest, from LA, United States, asked on December 01, 2023

In one of the pictures of description it shows an extended mag in the lower. where did they find an M&P 45 acp extended mag ?

Manufacturer Answer
A
Answered by STERN DEFENSE, Manufacturer from MO, United States, on November 27, 2024

We are unaware of an extended magazine for this.

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Q
Chuck, guest, from MI, United States, asked on February 07, 2023

Will any type of magazine in a 10 mm work in that adapter for a pistol in a AR 15 regular mag well?

Expert Answer
A
Answered by Ethan, Gear Expert, from IL, United States, on February 07, 2023

This Stern Defense MAG-ADMP45 AR-15 M&P .45 ACP Magazine Conversion Adapter will fit all generation .45ACP M&P magazines and requires a Glock cut bolt to function properly.

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Q
happy camper, member, from CA, United States, asked on June 08, 2022

What model magazine will it work with ? And is the magazine Double stack or single

Expert Answer
A
Answered by Hunter, Gear Expert, from OH, United States, on June 17, 2022

The Stern Defense MAG-ADMP45 AR-15 M&P .45 ACP Magazine Conversion Adapter will work with all generation M&P .45ACP double stack magazines.

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Q
Marco Wilsion, member, from GU, United States, asked on January 25, 2022

Will a 10mm mag fit in here?

Expert Answer
A
Answered by Hunter, Gear Expert, from OH, United States, on March 02, 2022

According to the manufacturer the Stern Defense MAG-ADMP45 AR-15 M&P .45 ACP Magazine Conversion Adapter will not work with 10mm magazines.

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Q
Rich, member, from OH, United States, asked on November 24, 2020

Will it work with a 45 drum magazine that works for a hi - point carbine trying to find a good mag to use with this

Expert Answer
A
Answered by Julia, Gear Expert, from IL, United States, on February 12, 2021

This will only work with 45ACP M&P magazines.

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