Description
The Magpul PMAG Gen M3 Magazine (MPN MAG557-MCB) holds 30 rounds of 5.56x45mm NATO/.223 Remington in a black polymer body built for AR-15-pattern rifles.
Key Specifications
- Holds 30 rounds of 5.56 NATO/.223 Remington.
- Finished in black polymer.
- Uses Magpul’s Gen M3 anti-tilt follower and stainless steel spring.
- Molded from impact- and wear-resistant polymer.
- Classified by Magpul as a Magazine.
- Carries the M3 model designation.
- Sold as a single 1-pack.
- Manufactured by Magpul Industries.
- Compatible with standard STANAG-pattern AR-15 magazine wells.
Frequently Asked Questions
What rifles does this magazine fit? It’s a standard-pattern 5.56/.223 AR-15 magazine.
What’s different about the Gen M3? It uses Magpul’s updated anti-tilt follower and stainless steel spring for improved reliability over earlier PMAG generations.
Buy the Magpul PMAG Gen M3 Magazine
Shop it directly from Magpul Industries, or browse the full AR Magazines selection at Schaefer Defense.
Additional Information
| UPC | 840815150893 |
|---|---|
| Manufacturer | Magpul Industries |
| Manufacturer Part Number | MAG557-MCB |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Capacity | 30 |
| Model | M3 |
| Product Type | Magazine |
| Quantity | 1 |







