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Magpul AR/M4 GEN M3 20RD .223 REM/5.56 NATO Black - 223 Remington/5.56 NATO Caliber | Aftermarket Origin


Magpul AR/M4 GEN M3 20RD .223 REM/5.56 NATO Black

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The next-generation PMAG 20 GEN M3 is a 20-round 5.56x45 NATO (.223 Remington) polymer magazine for AR15/M4 compatible weapons. Along with expanded feature set and compatibility, the GEN M3 incorporates new material technology and manufacturing processes for enhanced strength, durability, and reliability to exceed rigorous military performance specifications.

While the GEN M3 is optimized for Colt-spec AR15/M4 platforms, modified internal and external geometry also permits operation with a range of additional weapons such as the HK® 416/MR556A1/M27 IAR, British SA-80, FN® SCAR™ MK 16/16S, and others.

Similar to the MOE PMAG, the GEN M3 features a long-life USGI-spec stainless steel spring for commonality, four-way anti-tilt follower and constant-curve internal geometry for reliable feeding, and simple tool-less disassembly to ease cleaning.

In addition, a redesigned bolt catch notch in the rear of the magazine provides increased bolt catch clearance, while an over-travel stop on the spine helps ensure the magazine will not over-insert on compatible weapons. Low profile ribs and new aggressive front and rear texture gives positive control of the GEN M3 in all environments, and a paint pen dot matrix has been added to the bottom panel of the body to allow easy marking by the end user for identification. The new, easy to disassemble flared floorplate aids extraction and handling of the magazine while providing improved drop protection, but is slightly slimmer than before for better compatibility with tight double and triple magazine pouches. An included pop-off Impact/Dust Cover can optionally be used to minimize debris intrusion and protect against potential damage to the top cartridge during storage and transit.

Features
  • Next-generation impact and crush resistant polymer construction
  • Modified dimensions allow for wider compatibility with non Colt-spec platforms
  • Constant-curve internal geometry for smooth feeding
  • Anti-tilt, self-lubricating follower for increased reliability
  • Long life USGI-spec stainless steel spring for parts commonality
  • Over-travel insertion stop on the spine
  • Ribbed gripping surface and new aggressive front and rear texture for positive magazine handling
  • Paint pen dot matrix panels on the bottom of the body to allow for identification marking
  • Flared floorplate aids magazine handling and disassembly yet is slim enough for use with many double and triple pouches
  • Pop-off Impact/Dust Cover to minimize debris intrusion and for ammunition protection in storage and transit

$14.95
Our Price
$13.49
You Save: $1.46
Financing Available
MFG: Magpul
Model: MAG560BLK
Bud's Item Number: 1133
UPC: 873750007915
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Retail Store Availability
In-Store Purchase Only
Lexington, KY In store
Greenville, KY In store
Sevierville, TN Not in store
37 Reviews

Magpul AR/M4 GEN M3 20RD .223 REM/5.56 NATO Black

The next-generation PMAG 20 GEN M3 is a 20-round 5.56x45 NATO (.223 Remington) polymer magazine for AR15/M4 compatible weapons. Along with expanded feature set and compatibility, the GEN M3 incorporates new material technology and manufacturing processes for enhanced strength, durability, and reliability to exceed rigorous military performance specifications.

While the GEN M3 is optimized for Colt-spec AR15/M4 platforms, modified internal and external geometry also permits operation with a range of additional weapons such as the HK® 416/MR556A1/M27 IAR, British SA-80, FN® SCAR™ MK 16/16S, and others.

Similar to the MOE PMAG, the GEN M3 features a long-life USGI-spec stainless steel spring for commonality, four-way anti-tilt follower and constant-curve internal geometry for reliable feeding, and simple tool-less disassembly to ease cleaning.

In addition, a redesigned bolt catch notch in the rear of the magazine provides increased bolt catch clearance, while an over-travel stop on the spine helps ensure the magazine will not over-insert on compatible weapons. Low profile ribs and new aggressive front and rear texture gives positive control of the GEN M3 in all environments, and a paint pen dot matrix has been added to the bottom panel of the body to allow easy marking by the end user for identification. The new, easy to disassemble flared floorplate aids extraction and handling of the magazine while providing improved drop protection, but is slightly slimmer than before for better compatibility with tight double and triple magazine pouches. An included pop-off Impact/Dust Cover can optionally be used to minimize debris intrusion and protect against potential damage to the top cartridge during storage and transit.

Features
  • Next-generation impact and crush resistant polymer construction
  • Modified dimensions allow for wider compatibility with non Colt-spec platforms
  • Constant-curve internal geometry for smooth feeding
  • Anti-tilt, self-lubricating follower for increased reliability
  • Long life USGI-spec stainless steel spring for parts commonality
  • Over-travel insertion stop on the spine
  • Ribbed gripping surface and new aggressive front and rear texture for positive magazine handling
  • Paint pen dot matrix panels on the bottom of the body to allow for identification marking
  • Flared floorplate aids magazine handling and disassembly yet is slim enough for use with many double and triple pouches
  • Pop-off Impact/Dust Cover to minimize debris intrusion and for ammunition protection in storage and transit

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37 Reviews. 4.9 out of 5 Stars!
5 Stars
98%
4 Stars
0%
3 Stars
0%
2 Stars
0%
1 Star
2%
Write Review
Cary G on 04/25/2025
Rating:   5 of 5 Stars!

live the magpie and fits my ATI AR perfectly! Thanks Buds for the fast shipping!

Alan W on 12/23/2024
Rating:   5 of 5 Stars!

Great purchase as always. Will buy from again.

Dmitry L on 12/21/2024
Rating:   5 of 5 Stars!

Best magazines all around. More compact 20 round mag allows to store AR-15 in a narrow safe with a mag inserted, cruise ready.

Tye W on 05/30/2024
Rating:   1 of 5 Stars!

I like the 20 round magazines for hunting. They do not protrude as far as the 30 rounders for prone shooting, knocking against things or stashing the AR in the vehicle between hunting sites. I've never needed 30 rounds for running coyotes so a 20 round magazine is just right.

Robert H on 05/04/2024
Rating:   5 of 5 Stars!

I really like the 20 round mags. It is the perfect size to provide adequate capacity without sticking out in the way when shooting from a bench. Magpul quality is always good.

Jason M on 05/04/2024
Rating:   5 of 5 Stars!

Exactly what I was expecting. Great product.

Dermot S on 03/20/2024
Rating:   5 of 5 Stars!

Used for 50 Beowulf. Works flawlessly, Magpul quality!

Lawrence F on 01/23/2024
Rating:   5 of 5 Stars!

Great value for the price! Bud’s is my go to for guns and accessories. Can’t beat them!

Alex K on 01/17/2024
Rating:   5 of 5 Stars!

Magpul quality with 30rd capacity, no complaints

Huy P on 11/19/2023
Rating:   5 of 5 Stars!

works great 👍 will buy again

Questions & Answers

    • Answered
    Hi Luther, it will run, but I haven't personally tried it, so I can't say how well.
    Here is a dedicated 300 blackout magazine https://www.budsgunshop.com/product_info.php/products_id/133215/magpul+mag1182-blk+pmag+gen+m3+300+blackout+20rd+black+polymer+detachable ,
    Stay safe & have a great day!
    See 2 more answers |

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