Recently Magpul has ruled the AR-15 magazine market. They are battle proven and cool to look at when in your gun. Everything always gets an upgrade in life it seems. So why not this? Well, they did. Magpul used a different kind of material for the M3, making the magazine feel a little rougher in texture than the old ones. They also strengthen the lips and body of the magazine. With the rough texture, it gives the user something to grip on. Magpul put the new clip through severe testing to prove that the new magazine was better than the old. Don’t get me wrong, the old magazines are just as awesome, but everything goes through changes with time, trial and error.
Here’s a video comparing the first generation to the second: