The Magpul PMAG GEN M3 20-Round Magazine is specifically designed for AR-15 platforms chambered in .300 Blackout, offering optimal performance for both subsonic and supersonic ammunition. Its advanced engineering ensures consistent feeding, even with varying ammunition profiles, making it a top choice for tactical, range, and hunting applications.
Constructed from impact-resistant polymer, the GEN M3 is lightweight yet rugged enough to handle the demands of heavy use. The self-lubricating follower and constant-curve internal geometry ensure smooth and reliable feeding, while the magazine’s flared floorplate allows for easy handling and disassembly.
This 20-round magazine features a slim profile, ideal for maneuverability in compact setups, and is optimized for quiet, reliable operation, especially important when paired with suppressors. Whether you’re using subsonic or supersonic rounds, the Magpul PMAG GEN M3 delivers exceptional reliability and versatility.
Manufacturer Specs
- Caliber Compatibility: .300 Blackout
- Capacity: 20 rounds
- Material: Impact-resistant polymer
- Color: Black
- Weight: Approx. 5 oz
- Platform Compatibility: AR-15 platforms chambered in .300 Blackout
- Additional Features: Flared floorplate, ribbed texture, constant-curve internal geometry
Key Features
- Specialized Design: Engineered specifically for .300 Blackout ammunition, ensuring reliable feeding for both subsonic and supersonic rounds.
- Durable Build: Impact-resistant polymer construction for rugged use in any environment.
- Compact Size: 20-round capacity and slim profile for enhanced maneuverability.
- Smooth Operation: Self-lubricating follower and constant-curve geometry guarantee consistent performance.
- Easy Handling: Flared floorplate and ribbed texture improve grip and reload efficiency.
Frequently Asked Questions (FAQs)
Q: Can I use this magazine with 5.56 NATO or .223 Remington?
A: No, this magazine is specifically designed for .300 Blackout ammunition and is not compatible with 5.56 NATO or .223 Remington.
Q: Is this magazine compatible with all AR-15 platforms?
A: Yes, this magazine is designed for AR-15 platforms chambered in .300 Blackout.
Q: How does it handle subsonic ammunition?
A: The PMAG GEN M3 is optimized for both subsonic and supersonic .300 Blackout ammunition, ensuring smooth and reliable feeding.
Q: Does this magazine include a dust cover?
A: Yes, the GEN M3 series includes a removable dust cover to protect rounds during storage and transport.





