The Dos Boot from Die Free Co is a low-profile magazine baseplate extension designed for Magpul PMAG Gen M3 AR-15/M4 magazines. It adds two additional rounds of capacity while improving magazine purchase with a textured surface and offering monopod-style stability for prone positioning. The Dos Boot ships in a three-pack and is finished in coyote brown to integrate with earth-tone gear. Constructed from polymer and made in the USA, it installs without tools for a simple, durable upgrade.
Key Specifications
- Adds +2 rounds to compatible PMAG Gen M3 magazines.
- Designed for Magpul PMAG Gen M3 AR-15/M4 magazines.
- Color is Coyote brown for subdued kit integration.
- Constructed from Polymer for low weight and durability.
- Sold as a 3-pack to outfit multiple magazines.
- Finish is Matte to minimize glare.
- Overall dimension listed as 1.10 X 4.20 X 4.65.
- Provides monopod-style stability and an improved textured surface for better grip.
- Manufactured in the USA.
Practical, unobtrusive, and built for routine use, the Dos Boot gives your PMAG Gen M3 magazines a compact capacity bump and tangible handling benefits without adding bulk. Its polymer construction and textured profile make reloads more confident while the low-profile design preserves clearance and balance. For shooters who value straightforward, functional upgrades that blend with their kit, the Dos Boot delivers a proven, tool-less enhancement in a convenient 3-pack.





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