HK Magazine Extension +4 Capacity For HK VP9 & P30, P30L
HKPARTS magazine extension +4 kit adds 4 additional rounds to the HK VP9/P30 magazine with the simple swap of the floor plate and the included high reliability mag spring. Each +4 kit includes the +4 extension and extra power enhanced spring. This is an easy 2 min swap. No gunsmithing needed. Made 100% in the USA out of hard coat aircraft grade aluminum & steel hardware. Ultra low profile, & rock solid. This offering is simply the finest +4 mag extension for your HK VP9 & P30, P30L firearm available. Each set increases the VP9/P30 15 round magazine to a full 19+1 round capacity. Ideal for competitive shooters!
Fits all of the following HK firearm magazines:
- HK VP9
- HK P30, P30L & P30S 9mm
- Can be adapted/fitted for use on the USPC 9, P2000 & SK & P30SK mag