This is the Guncraft 20 round extension base kit for Black Dog 14 round .22WMR .17HMR magazines.
Manufactured from a tough matte textured black polymer the +6 base is profiled to slide over the bottom of the 14 round Black Dog .22WMR magazine and is secured in place with the bottom two screw fixings.
- +6 base extension
- Stainless fixings
- Hex keys for both mag and extension screws
- Fits in minutes
Please note: the magazine pictured is not included, magazines available here.