HKPARTS +5 magazine extension coupled with a 15 round factory German magazine body adds 5 additional rounds total for a fully assembled 20 round HK VP9/P30 magazine. Ideal for competitive shooters that would like a 20 round magazine. Each mag comes fully assembled and ready for use. HK Parts take an existing 15 round mag the +5 mag extension and assembles them into a working 20 round mag. What you get is the assembled magazine ready to go!
Fits all of the following HK firearm magazines: