The Magpul MAG577-BLK PMAG GEN M3 Window is a high-performance polymer magazine built to meet the demands of AR-10, M110, and SR25 rifle owners. Chambered in 7.62x51mm NATO/.308 Winchester, this 25-round magazine is ideal for tactical, range, and precision shooting applications.
Constructed from impact-resistant polymer, the PMAG GEN M3 Window offers unmatched durability while remaining lightweight. Its self-lubricating follower and constant-curve internal geometry ensure smooth, reliable feeding, while the transparent windows on both sides provide quick visual confirmation of the remaining rounds.
Engineered with advanced features, this PMAG includes an over-insertion stop, a flared floorplate for improved handling, and a dot matrix panel for easy identification. Designed to perform in extreme environments, the GEN M3 Window 25-round magazine is the go-to choice for professionals and enthusiasts seeking reliable performance.
Manufacturer Specs
- Caliber Compatibility: 7.62x51mm NATO / .308 Winchester
- Capacity: 25 rounds
- Material: Impact-resistant polymer
- Color: Black (BLK)
- Weight: Approx. 8 oz
- Platform Compatibility: AR-10, M110, SR25, and similar platforms
- Additional Features: Transparent windows, over-insertion stop, flared floorplate
Key Features
- High-Capacity Design: 25-round capacity for extended shooting sessions or tactical use.
- Durable Construction: Impact-resistant polymer withstands extreme conditions and rough handling.
- Transparent Windows: Dual windows provide easy round count visibility at a glance.
- Enhanced Handling: Flared floorplate and ribbed texture ensure secure grip and quick reloads.
- Universal Compatibility: Designed for AR-10, M110, SR25, and similar platforms chambered in 7.62x51mm NATO.
Frequently Asked Questions (FAQs)
Q: Is this magazine compatible with all AR-10 platforms?
A: Yes, the Magpul PMAG GEN M3 is compatible with AR-10, M110, SR25, and similar rifles chambered in 7.62x51mm NATO/.308 Winchester.
Q: What is the purpose of the window feature?
A: The transparent windows allow for quick and easy round count checks without needing to remove the magazine.
Q: Does this magazine include a dust cover?
A: Yes, the GEN M3 includes a removable dust cover to protect rounds and keep the magazine clean during storage or transport.
Q: How does the magazine handle extreme conditions?
A: The PMAG GEN M3 is built with durable polymer construction and self-lubricating internals to ensure reliable performance in harsh environments.





