For their "Know Your AEG" series, Fox Airsoft talk about getting familiar with the M4 AEG... "So you've decided to get into airsoft! Before you purchase your first M4 style gun, check out some of the quirks and nuances to the platform so you can better identify what it is you want to look for and what might work best for you. The M4 platform is the most versatile of AEGs and every brand that makes one has their own twist to make theirs stand out. What is the best for you?"