MAG Magazine Follower Top for Systema PTW Series Airsoft Magazine.

"Fantastic thing!! I lost 5 of 9 of my standard followers during unloading the mags and then buy this ones. One play season with no one loose(about hundred unloads). I tried to get them out from the mag and I cant). I thing this things in my mag are forever)) Must have thing for Systema's mags)