The Magpul PMAG LR/SR Gen M3 Window is a 20-round polymer magazine developed for SR25/M110 pattern rifles chambered in 7.62×51 NATO (.308 Winchester). It pairs a lightweight, impact-resistant construction with Magpul’s MagLevel dual-side transparent windows for a quick visual round-count estimation. Standard PMAG features like a corrosion-resistant stainless steel spring and an anti-tilt, self-lubricating follower support reliable feeding and straightforward maintenance in field and range environments.
Key Specifications
- Holds 20 rounds.
- Chambered for .308 / 7.62 NATO.
- Designed for SR25 / M110 pattern rifles.
- Constructed from impact- and crush-resistant polymer.
- Equipped with dual-side transparent MagLevel windows for quick round-count estimation.
- Uses a stainless-steel, corrosion-resistant spring.
- Features an anti-tilt, self-lubricating follower.
- Finished in Coyote Tan.
- Includes a flared floorplate for easier extraction and improved drop protection.
- Made in the USA.
Purpose-built for precision semi-automatic platforms, the PMAG M3 Window gives shooters a durable, lightweight magazine with rapid visual status checks and proven feeding geometry. Its combination of polymer construction, corrosion-resistant internals, and ergonomic texturing makes it well suited for precision shooting and tactical applications where reliable, maintainable magazines are required.
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