Why 28 instead of 30 ? Because the 28rd mags are shaped differently than the 30 and tend to fit MOE type mag pouches better. DuraMag 2862041205CPD SS Magazine Black with Black Follower 28rd 7.62x39mm for AR-15. The 7.6239 DURAMAG SS magazines are the ultimate choice for running this caliber in any AR15 style firearm. Feeding tapered cases like the 7.62x39mm into the straight magazine well of the AR platform has never been easy. Until DURAMAG, many thought the combination was simply not possible to produce reliably. Thanks to extensive quality control built into their designs, every magazine is sure to run flawlessly. With DURAMAG SS, now you can finally enjoy the close-in power of 7.62x39mm reliably in your AR platform.
Click on this to make sure these are legal in you state.Which States Have Magazine Capacity Limitations? (concealedcarry.com)