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Stern Defense MAG-ADMP9&40/P320 AR-15 M&P 9mm/.40 Magazine Conversion Adapter 001-SD MAG-AD-MP-9AND40-M Color: Black, Gun Model: AR-15, M16, M4, 26% Off, Coupon Available w/ Free S&H

Stern Defense MAG-ADMP9&40/P320 AR-15/M4/M16 Magazine Conversion Adapter, M&P, 9mm/.40S&W, Black, 001-SD MAG-AD-9AND40-M
Stern Defense MAG-ADMP9&40/P320 AR-15/M4/M16 Magazine Conversion Adapter, M&P, 9mm/.40S&W, Black, 001-SD MAG-AD-9AND40-M
Stern Defense MAG-ADMP9&40/P320 AR-15/M4/M16 Magazine Conversion Adapter, M&P, 9mm/.40S&W, Black, 001-SD MAG-AD-9AND40-M
Stern Defense MAG-ADMP9&40/P320 AR-15/M4/M16 Magazine Conversion Adapter, M&P, 9mm/.40S&W, Black, 001-SD MAG-AD-9AND40-M
Stern Defense MAG-ADMP9&40/P320 AR-15/M4/M16 Magazine Conversion Adapter, M&P, 9mm/.40S&W, Black, 001-SD MAG-AD-9AND40-M
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Stern Defense MAG-ADMP9&40/P320 AR-15/M4/M16 Magazine Conversion Adapter, M&P, 9mm/.40S&W, Black, 001-SD MAG-AD-9AND40-M
Stern Defense MAG-ADMP9&40/P320 AR-15/M4/M16 Magazine Conversion Adapter, M&P, 9mm/.40S&W, Black, 001-SD MAG-AD-9AND40-M
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Stern Defense MAG-ADMP9&40/P320 AR-15/M4/M16 Magazine Conversion Adapter, M&P, 9mm/.40S&W, Black, 001-SD MAG-AD-9AND40-M
Stern Defense MAG-ADMP9&40/P320 AR-15/M4/M16 Magazine Conversion Adapter, M&P, 9mm/.40S&W, Black, 001-SD MAG-AD-9AND40-M
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Stern Defense MAG-ADMP9&40/P320 AR-15/M4/M16 Magazine Conversion Adapter, M&P, 9mm/.40S&W, Black, 001-SD MAG-AD-9AND40-M
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Stern Defense MAG-ADMP9&40/P320 AR-15/M4/M16 Magazine Conversion Adapter, M&P, 9mm/.40S&W, Black, 001-SD MAG-AD-9AND40-M

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Questions & Answers
does this work with sig p320 9mm magazines? Manufacturer Answer

Yes, it does.

by STERN DEFENSE, Manufacturer, November 27, 2024
Will this work with m&p9 2.0 mags? Manufacturer Answer

We have not yet tested with these.

by STERN DEFENSE, Manufacturer, November 27, 2024
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
good for midlevel PCC when you have 320 mags by Ray, Verified Owner, June 23, 2024
I don't have Glock mags but i do have 320 mags and i wanted to try doing some PCC stuff. So far fit and function is good and the system works well. Only real "complaint" is that it does take some adjusting to operate smoothly and if your system is al...
Read More...
3/3 found this helpful
Helpful Positive Review
Awesome product, but watch your mag choice by Jae, March 2, 2020
I found this product after seeing a competing one on TGC News. Being a cheapskate, I was hesitant to spend $50 more on this than the competitor, however I’m glad I did for 2 reasons: 1 - Location of Mag release allows for dropping the mag with your ...
Read More...
8/8 found this helpful
Helpful Positive Review
What the Mag? by AM, Verified Owner, February 8, 2020
Great product. Need to take some time to install, but once installed works great with Genuine Sig P320 Mags. Promag 32 round P320 mags are tight and will not release without a lot of pressure. Did not think at first that I would get the mag to relea...
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2/2 found this helpful
Helpful Positive Review
Amazing Product; Thank You Stern Defense for R&D + Ingenuity by Tai, Verified Owner, October 16, 2019
This product is amazing! LRBHO functions well and it doesn't feel like something will break. If you own a P320 and want an AR 9, this is the product for you. No need to buy different magazines. This product truly adds to the P320 modularity; maybe no...
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1/1 found this helpful
Helpful Positive Review
Stern Defense M&P 9mm maxgwell adapter by Tim, November 30, 2021
I was building an ar-9 when the choice of how I was going to feed it came up.I chose a Stern Defense magwell adapter for M&P pistol mags(I own a 2.0 and have many xtra capacity mags already).Assembly took 5minutes(literally) and it cycled and ran per...
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2/2 found this helpful
Helpful Positive Review
Nice piece by Kram, Verified Owner, December 28, 2024
Fits and works great. Money and time saver not having to buy and build a stripped lower.
1/1 found this helpful
Read All 15 Reviews

Up to 14% OFF Pistol Parts

See promotion details.
Eligible models will have a savings offer. Apply coupon and add the item to your cart for savings on that select model! Limited time only. Cannot be combined with other promotions or offers.
Color: Black Gun Model: AR-15 , M4 , M16 Caliber: 9mm Luger Magazine Capacity: 0 RoundCondition: New Additional Features: 4140 NiB coated feed ramp. , All gun components besides the Bolt and Barrel remain stock , Constructed from 6061 T6 aircraft grade aluminum. , Ergonomic mag release. , Hard coat anodized type 3. , Sturdy Construction. , Uses Glock 9mm Magazine , Works with all generations of M&P magazines. , Works with any mil spec ar15 lower receiver.

Code: 3JS-CNC-S2D-001-SD-MAG-AD-9AND40-M-0RD

MPN: 001-SD MAG-AD-MP-9AND40-M

UPC: 850001176217

14%
Product Discount
List: $252.44Save 26%
$186.99

Product Info for Stern Defense MAG-ADMP9&40/P320 AR-15 M&P 9mm/.40 Magazine Conversion Adapter

Convert your standard mil spec AR 15, M4, M16 lower assembly to use 9mm and .40 S&W M&P and P320/P250 Magazines! The Mag-AD series adapters install in seconds. Boasting a last round hold open feature making them a breakthrough product and a must-have for law enforcement and civilian gun enthusiasts alike.image

The Stern Mag-AD series adapters are made of aircraft grade aluminum, lightweight with ergonomic design.

Note: These adapters require the use of a 9mm or 40S&W barrel, "depending on chosen caliber" and a Glock cut bolt.

Specifications for Stern Defense MAG-ADMP9&40/P320 AR-15 M&P 9mm/.40 Magazine Conversion Adapter:

Manufacturer: Stern Defense
Color: Black
Gun Model: M16, M4, AR-15
Caliber: 9mm Luger
Magazine Capacity: 0 Round
Magazine Included: No
Condition: New
Additional Features: Uses Glock 9mm Magazine, Hard coat anodized type 3., 4140 NiB coated feed ramp., Works with all generations of M&P magazines., All gun components besides the Bolt and Barrel remain stock, Works with any mil spec ar15 lower receiver., Ergonomic mag release., Sturdy Construction., Constructed from 6061 T6 aircraft grade aluminum.
  • Constructed from 6061 T6 aircraft grade aluminum.
  • 4140 NiB coated feed ramp.
  • Hard coat anodized type 3.
  • Sturdy Construction.
  • Ergonomic mag release.
  • Works with all generations of M&P magazines.
  • Works with P320 and P250 magazines
  • Works with any mil spec ar15 lower receiver.
  • All gun components besides the Bolt and Barrel remain stock

Package Contents:

  • Stern Defense MAG-ADMP9&40/P320 AR-15 M&P 9mm/.40 Magazine Conversion Adapter

What firearm models does the manufacturer say Stern Defense MAG-ADMP9&40/P320 AR-15 M&P 9mm/.40 Magazine Conversion Adapter is compatible with?

The manufacturer suggests that Stern Defense MAG-ADMP9&40/P320 AR-15 M&P 9mm/.40 Magazine Conversion Adapter is compatible with AR-15, M4, M16

Stern Defense MAG-ADMP9&40/P320 AR-15 M&P 9mm/.40 Magazine Conversion Adapter Orderable Models

List of Orderable Models

  • Stern Defense MAG-ADMP9&40/P320 AR-15/M4/M16 Magazine Conversion Adapter, M&P, 9mm/.40S&W, Black, 001-SD MAG-AD-9AND40-M , MPN: 001-SD MAG-AD-MP-9AND40-M , UPC: 850001176217 , Code: 3JS-CNC-S2D-001-SD-MAG-AD-9AND40-M-0RD

Stern Defense MAG-ADMP9&40/P320 AR-15 M&P 9mm/.40 Magazine Conversion Adapter Unavailable & Discontinued Models

List of Unorderable Models

  • DEMO, Stern Defense MAG-ADMP9&40/P320 AR-15/M4/M16 Magazine Conversion Adapter, M&P, 9mm/.40S&W, Black, 001-SD MAG-AD-9AND40-M , MPN: 001-SD MAG-AD-MP-9AND40-M-DEMO , Code: 3JS-CNC-S2D-001-SD-MAG-AD-9AND40-M-DEMO-00RD
  • DEMO, Stern Defense MAG-ADMP9&40/P320 AR-15/M4/M16 Magazine Conversion Adapter, M&P, 9mm/.40S&W, Black, 001-SD MAG-AD-9AND40-M , MPN: 001-SD MAG-AD-MP-9AND40-M-DEMO , Code: 3JS-CNC-S2D-001-SD-MAG-AD-9AND40-M-DEMO-0RD
  • USED Stern Defense MAG-ADMP9&40/P320 AR-15/M4/M16 Magazine Conversion Adapter, M&P, 9mm/.40S&W, Black, 001-SD MAG-AD-9AND40-M, EDEMO3, Condition Parts Only/Salvage, Wrong Product , MPN: 001-SD MAG-AD-MP-9AND40-M-EDEMO3 , Code: 3JS-CNC-S2D-001-SD-MAG-AD-9AND40-M-0RD-EDEMO-WP-F
  • USED DEMO, Stern Defense MAG-ADMP9&40/P320 AR-15/M4/M16 Magazine Conversion Adapter, M&P, 9mm/.40S&W, Black, 001-SD MAG-AD-9AND40-M, EDEMO1, Condition Parts Only/Salvage, Defective , MPN: 001-SD MAG-AD-MP-9AND40-M-DEMO-EDEMO1 , Code: 3JS-CNC-S2D-EDEMO-DF-F-0RD
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