The Magpul MAG291-BLK PMAG 20LR/SR GEN M3 is a premium 20-round polymer magazine designed to meet the needs of professional shooters, military personnel, and firearm enthusiasts. Built for AR-10, SR25, and M110 platforms, this magazine is chambered in 7.62x51mm NATO/.308 Winchester and is known for its exceptional durability and flawless feeding reliability.
Constructed from impact-resistant polymer, the PMAG GEN M3 offers a lightweight yet rugged build that stands up to the rigors of tactical and range use. Its constant-curve internal geometry and self-lubricating follower ensure smooth and consistent feeding, even in demanding conditions.
The GEN M3 includes features such as an over-insertion stop to protect your rifle’s receiver, a flared floorplate for easy handling and disassembly, and a dot matrix panel for quick identification and customization. With its slim profile and high-performance design, the PMAG GEN M3 is an indispensable accessory for any 7.62x51mm NATO rifle owner.
Manufacturer Specs
- Caliber Compatibility: 7.62x51mm NATO / .308 Winchester
- Capacity: 20 rounds
- Material: Impact-resistant polymer
- Color: Black (BLK)
- Weight: Approx. 6.5 oz
- Platform Compatibility: AR-10, SR25, M110, and similar platforms
- Additional Features: Flared floorplate, dot matrix panel, over-insertion stop
Key Features
- Durable Build: Constructed from impact-resistant polymer for rugged and reliable use.
- Smooth Feeding: Self-lubricating follower and constant-curve internal geometry deliver consistent performance.
- Compact Design: 20-round capacity for an ideal balance of firepower and portability.
- User-Friendly Features: Flared floorplate for better grip and easy disassembly; dot matrix panel for identification.
- Universal Compatibility: Designed to fit AR-10, SR25, M110, and similar platforms chambered in 7.62x51mm NATO.
Frequently Asked Questions (FAQs)
Q: Is this magazine compatible with AR-10 platforms?
A: Yes, the PMAG 20LR/SR GEN M3 is designed for AR-10, SR25, M110, and similar platforms chambered in 7.62x51mm NATO/.308 Winchester.
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.
Q: How does the over-insertion stop help?
A: The over-insertion stop prevents the magazine from being inserted too far into the rifle, protecting the receiver and ensuring reliable operation.
Q: Can this magazine handle extreme conditions?
A: Absolutely. The impact-resistant polymer construction and advanced internal design make it highly reliable in harsh environments and demanding conditions.





