I bought 2 of them and I will say they are constructed well. The material feels good, sturdy, and will definitely stand a few drop to the floor. The holes/gaps in the middle maybe is useful for keeping tabs on how many darts you have left, but can let particles from the outside in.
My real issue is with the spring, they're just not stiff enough to efficiently push darts up to the top. I tested this out with standard weight worker gen 2's, and dartzone nitroshot darts. I ran into issues with both dart types using an omnia pro gen 3 on full auto mode. I was consistently getting multiple jams each time until maybe around the "10 darts left mark" and it started to flow more smoothly. I purchased 2 magazines and both mags had the same issue. I noticed the darts had trouble reaching the top as more darts were loaded into the mag. I saw a suggestion noting to double up on the springs which helped, but decreased effective dart capacity to maybe 17-18 darts. Another issue I ran into when doubling the springs was that the increased friction the darts encountered at the top of the mag led to occasional jams when the pusher went to load. All in all, I considered buying more springs and cutting different sizes but opted to just return these as the cost differential on buying springs for them (and not knowing if it would work) didn't seem worth it.
