They work great with the worker cheetah have not tried them on anything else.
I use it with my stryfe and it sometimes just shoots 15 meters, sometimes 50 meters. holy moly.
the dart tips sometimes are not glued in correctly, so they look weird but they work also.
I know some people have complained about how the darts have bad glue, or the heads fell off. I ordered two 50-round boxes. They got here in record time, and the darts were in great condition right out of the box. There was no problem with the glue, the darts have pinpoint accuracy (I fired multiple rounds out of my Nexus pro), I can hit a player across our street. Ultra long range, dirt-cheap darts, what more could I ask for?
These darts work extremely well in any springer, no jams and very accurate. However, the glue is not great so in any high velocity flywheeler the head will probably come off. But for the price they're a great buy. Again, they work perfectly in springers of any kind.
Note that these are gen 1 darts. Other than some minor excess rubber on maybe 4-5 darts out of the 50, they work great. Minor manufacturing inconsistency will cause misfeed or jam but its easy to trim up or just discard the few duds. Good value and good quality dart