Magpul’s pmags are among the most popular options for AR-15 shooters when it comes to reliable magazines. As shooters shop online or at gun shops, the popular PMAG Gen 2 vs Gen 3 debate is likely to pop up.
What improvements does Magpul promise in the Gen 3’s newer model?
Gen 2 vs Gen 3 Pmag Comparison
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AR, M4, M16. Not compatible with SA80,HK416, and similar platforms. |
Most STANAG 4179 platforms, including AR15, M4, M16, SCAR MK16/16S, HK416, MR556, M27 IAR, IWI Tavor, and more. |
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Anti-tilt, self-lubricating |
Four-way design with anti-tilt, self-lubricating |
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Benefits of the Gen 3 over the Gen 2

The third generation mag has about a half dozen features that some shooters might find beneficial and worth the extra couple bucks.
- The Gen 3 is Slightly More Durable
- The Gen 3 Has a Dust Cover (Sold separately, but available for Gen 2 Mags)
- The Gen 3’s Follower is More Reliable with its Anti-Tilt Design
- Gen 3 Pmags Has More Ridges/Texture for Better Grip
- The Gen 3’s Offers Reliable Functionality With More Rifles
- Gen 3 Pmags Have an Over-Insertion Tab
Gen 2 & Gen 3 Similiaries
Magazine Weight

Both magazines come in at about 5-ounces (unloaded.) The Gen 2 MOE (no window) is 4.6 ounces while the windowed Gen 2 is 5 ounces. Both windowed and windowless options in the third generation models come in at an even 5-ounces.
Why Magpul PMAGS?

The polymer mags are relatively durable, provide consistent feeding, and their lightweight construction allows shooters to carry several of them without much trouble. Now, you know the differences between Magpul’s Gen 2 PMAG and the Gen 3 magazine other than the Gen 3’s slightly higher price.
Several authorities – including the United States Marine Corps and the United States Air Force use Magpul’s PMAG line of magazines.

