What's a better way to test an airsoft gun but to abuse it? In this video of Tiger111HK, they subject the Seiko (Bell) AK47 AEG to an 8000 round firing test. It seems that they used a lower capacity magazine given the frequent change of magazine though it would be nice to see how it would empty a high-capacity magazine in one pull of a trigger. Anyway, if you have over 8 minutes to spare and don't mind mindlessly watching it, then see if it performance to your requirements.

The start of the video shows the tester awkward at magazine changes, but with 8000 rounds to fire, he gets to practice at faster reload times. Thanks to Public Enemy for this video.