TacticalPontoon HK VP9/40 Elite Marksman spring kit
The trigger spring reduces the trigger takeup weight by half. The sear spring reduces the trigger break by approximately 1.5lbs. This will give the VP series of handguns a quick upgrade that is more suited to a competition gun, without a large investment.
The VP9/40 is a relatively complex gun and requires care and attention to disassemble. It is recommended that a gunsmith install these parts. To familiarize yourself with the steps, the following link will show you the steps for VP9/40 disassembly. VP9/40 Disassembly