Here is, dare I proclaim, what I consider to be the SOP (standard operating procedure) for these magazines.

If you want max performance from this product you must follow these steps, sorry it is so long, I'm not a professional, just trying to help out xD, skip to 13:16 if you really have no time;)

Plink safe guys, treat your airguns as real firearms, wear eye pro always!

Full disassembly and internal check valve :    • Crosman Full Auto BB Magazine  Full ...  

Complete assembly and function check :    • Crosman Full Auto BB magazine  Compl...  

Here is the link to Big J's "proof" video :    • Crosman DPMS SBR Mag Charging Issue F...  

Here is a link to RumbleCanada's channel, void your warranty at your own risk ;)... no but seriously , I wish I had the plinking range to try his mods out lol :    / @rumblecanada