![The coolest feature of the FN P90 is the 50 round magazine that rests on top of the gun. Are there other guns that use this kind of design? - Quora The coolest feature of the FN P90 is the 50 round magazine that rests on top of the gun. Are there other guns that use this kind of design? - Quora](https://qph.fs.quoracdn.net/main-qimg-4dcae0e89f4d034c9e4836e8568b70c2.webp)
The coolest feature of the FN P90 is the 50 round magazine that rests on top of the gun. Are there other guns that use this kind of design? - Quora
The magazines that FN P90/PS90 uses are really innovative. But do they have all rights reserved? Can a weapon manufacturer copy that mag design? Do they need FN's permission? - Quora
![Kairu_Kilofski on Twitter: "@FloofRam @WolfByMoonrise @batvvolf Just to show, this is the P90 loading mechanism. The loading end of the magazine has a curved channel that pushed the bullet through a 90 Kairu_Kilofski on Twitter: "@FloofRam @WolfByMoonrise @batvvolf Just to show, this is the P90 loading mechanism. The loading end of the magazine has a curved channel that pushed the bullet through a 90](https://pbs.twimg.com/media/ERTQS8cWAAALoyW.jpg:large)