HK VP9 Instructions
- Fully disassemble factory magazine.
- Re-insert factory follower and spring.
- While depressing the spring with your finger, slide the maga-zine extension on to the magazine fully.
- Using the provided allen wrench and screw, tighten the screw down locking the magazine into the extension.
Products
- +0 Mag Base Pad for the Ruger MAX-9 $29.99 – $31.99