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Sometimes the best upgrades solve multiple problems at once. The Dos Boot adds two rounds to your PMAG Gen M3 mags while functioning as a stable shooting platform when you're running prone. It's a practical approach to both capacity and control without excess bulk.
Die Free engineered this extension specifically for 20-round magazines with a key goal: get low to the ground without letting your rifle grip touch dirt. That's where the monopod function shines. The contoured design sits flat and stable, giving you solid support for extended prone drills or precision shooting. The aggressive tread pattern grips whatever surface you're on, while the textured baseplate makes magazine handling noticeably smoother during reloads.
No tools required. You swap the factory baseplate for the Dos Boot in seconds. The whole thing is injection-molded polymer with impact-resistant construction that handles hard use and field conditions without complaint. It's made in the USA and finished in matte coyote brown to blend with earth-tone kit.
While originally optimized for 20-rounders, the Dos Boot performs just fine on 10, 30, and 40-round Gen M3 magazines. The low-profile design maintains your rifle's shooting geometry without adding unnecessary length. You get a clean 10% capacity bump on your 20-round mag, which adds up when you're running courses or range time. The extension comes as a three-pack, so you can outfit multiple magazines at once.
Installation is straightforward and tool-free. You simply swap out the factory baseplate for the Dos Boot extension and secure it in place. No special equipment or technical knowledge required, so you can have it ready in minutes.
Yes. While Die Free designed the Dos Boot with 20-round magazines in mind for optimal ground clearance, it functions well on 10, 30, and 40-round Gen M3 magazines. The monopod works across all these capacities, though the height of taller magazines means less clearance between your rifle grip and the ground.
When you're shooting prone, the Dos Boot creates a stable platform that prevents your rifle grip from dragging through dirt and debris. This keeps your support side cleaner during extended prone drills and competitions, while the aggressive tread pattern gives you reliable ground contact regardless of surface conditions.
The Dos Boot is designed specifically for Magpul PMAG Gen M3 (Generation 3) magazines. Gen 2 and MOE magazines use a different baseplate design, so the Dos Boot won't be compatible with those versions.
| UPC | 860013578138 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | DOSBOOTCOYOTE |
| Capacity | +2 |
| Color | Coyote |
| Length | 4.6500 |
| Model | |
| Product Type | Mag Extension |
| Quantity | 1 (per unit) |
| Shipping Weight | 0.0 |
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