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The Die Free Co Dos Boot is one of those upgrades that quietly does more than you'd expect from a magazine base plate. Designed for Magpul PMAG GEN M3 AR15/M4 magazines, it replaces the factory floorplate and bumps your capacity by two rounds while doubling as a stable monopod. A 20-round mag becomes a 22, a 30 becomes a 32, and so on. This listing gets you three plates in Olive Drab Green, so you can outfit a handful of mags in one shot.
The magic here is the curved, aggressively textured bottom. Rest your loaded mag on the ground and you get a solid two-point contact that keeps the rifle steady without forcing your pistol grip into the dirt. Die Free built it around the 20-round PMAG specifically to sit as low as possible in the prone, which is where it really earns its keep during long prone drills or precision work off a barricade. That contoured shape and grippy tread also give you a better handhold, so mag changes come faster and more confidently.
Installation is about as easy as it gets. It's a tool-free drop-in swap, and most folks have a plate changed out in a matter of seconds per mag. There are no extra springs to fight or screws to line up, you just pop the old plate and lock in the new one. Independent drop testing has shown loaded Gen M3 PMAGs holding onto their rounds with the Dos Boot installed and no feeding hiccups, which is what you want from anything you're resting a rifle on.
Though it was engineered with the 20-rounder in mind, the Dos Boot is right at home on 10, 30, and 40-round Gen M3 PMAGs. It's made in the USA from high-impact injection-molded polymer, so it can take a beating on the range. The Olive Drab Green color is a nice touch if you're running an earth-tone or milsurp-style setup and want your mags to blend in rather than stand out.
It's built for Magpul PMAG GEN M3 magazines and works across the 10, 20, 30, and 40-round variants. Die Free designed it around the 20-rounder for the lowest possible prone profile, but it performs well on the larger and smaller Gen M3 mags too. It is not meant for older Gen M2 PMAGs or other brands, so confirm you're running Gen M3 before ordering.
No, it's engineered to swap in for the factory floorplate while keeping your mag feeding and functioning normally. Independent drop testing with loaded Gen M3 PMAGs showed no lost rounds and no feeding issues. It uses your existing spring and follower, so there's nothing extra to throw off the works.
The bottom of the Dos Boot has a curved, aggressively textured profile that gives you stable two-point contact when you rest the mag on the ground. That steadies the rifle in prone or off a barricade without letting your pistol grip touch dirt. It's a handy way to improve stability during long prone strings without carrying a dedicated support.
Not at all. It's a tool-free drop-in replacement, and most people swap a plate in a few seconds. There are no extra springs or screws to deal with, you simply remove the factory base plate and lock the Dos Boot in place.
| UPC | 850079932340 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | DOS-BOOT-ODG |
| Color | Olive Drab Green |
| Model | |
| Product Type | Magazine Extension |
| Shipping Weight | 0.0 |
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