Dust Cover — This is one of the biggest differences between the two generations. Dust covers are shipped with all Gen M3 models. This allows shooters to keep debris out of their loaded or unloaded magazines. It also protects the feed lips from impacts while bouncing around your storage box.
Dust covers are a personal preference and a debate for another time. The straight top third of the magazine is called the tower. Most other 5. The EMAG has been phased out in favor of the M3, which extends the straight lines of the tower slightly lower on both the front and rear edge. The M3 mag includes its cover, but the covers for the M2 are sold separately in 3 packs.
Conveniently, the M2 can store its dust cover on its floorplate when not in use. Eventually, this was found to be the least utilized feature of the older design, so it was eliminated. This allowed Magpul to optimize the floorplate for strength as well as to reduce its width. One of the more common complaints about the M2 design is the width of its floorplates.
This can cause the mags not to stack as well in some magazine pouches, especially for those that use a bullets-up orientation. The M3 floorplate is narrower and installs from the rear, as opposed to from the front as with the M2. However, this is untrue. The covers are not interchangeable between generations. This brings us to the comparison of the internals. For both models, pressing in on the button in the center of the floorplate allows the plate to slide off of the base of the magazine.
The long-life stainless spring retains both the floorplate insert and the follower when removed. The spring itself is the USGI standard and therefore the same in both models, but the follower and insert have slight differences that prevent them from being interchanged.
M2 internal parts are molded in a greenish grey color, while M3 internals are bluish grey. The followers and magazine bodies fit together in such a way that the follower can be depressed into the magazine, but cannot be tilted front to back or side to side. Both generations of magazine body tube feature a constant interior curve, meaning the follower does not need to make any transition from curved to straight the way a GI magazine follower does.
Simpler is better when it comes to reliability. There are two more interesting functional difference between the two generations. Word in Term. Term » Abbr. Filter by: Select category from list Rate it:. Couldn't find the full form or full meaning of PMAG?
Notify me of new comments via email. Cancel Report. Create a new account. I bet they got a PMag. They are all rocking and rolling with PMags. Polymer magazines existed before, but for the M4 or M16 platform, they typically sucked. Magpul fixed that, and then they offered their magazines at an incredibly affordable price. The price was low enough your lowly Lance Corporal could afford to buy a couple a week to replace his ailing and failing aluminum magazines.
I know because I was one of many who did just that. Hwy do so many professional armed men choose the PMag? Well, there are several reasons why the PMag has become the defacto choice of everyone from mechanics in the air wing to Raiders hitting houses.
This is the biggest reason why the PMags are so beloved. They work, and they work so dang well. They can be abused and used for years without issue.
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