It depends on which model you are asking about. But the air pistol P99 is rated at 360 FPS
6 mm
The Walther P99 was developed by the gun manufacturer Carl Walther GMBH Sportwaffen. The Walther P99 was made in the year 1996 and continues to be manufactured.
you can see if it is on eBay and if it is not there go to Google and type in a airsoft p99 clips on sale.
The p99 is unlocked at rank 11 in multiplayer, but it is unlocked at rank 42 in special ops.
No
on Amazon
No
No
No
It will slide on to a newer p99 with the weaver rail (post 2004 i believe), but the notch is in the wrong place.
11.2 inches in 9x19 parabellum
No