Firearm Models: VP9 and P30 (These are HK's semi-automatic pistol models.)
Caliber: 9mm (9x19mm)
Magazine Capacity: 20 rounds
This indicates that the magazine is designed to hold 20 rounds of 9mm ammunition and is compatible with both the VP9 and P30 handguns from HK. The VP9 and P30 are popular models known for their reliability, accuracy, and ergonomic design.
