The B14r magazine extension will give you a total 12 rounds. They also add weight and a larger gripping surface to the magazine.
| Weight | .2 kg |
|---|---|
| Dimensions | 9 × 9 × 5 cm |
| Colors |
BLACK, Olive Drab Green, Orange |
Works after the modifications as I found on Facebook group.
So after two hours of playing with this thing I finally got it to take all 12 rounds . The new plastic mid plate needs to be trimmed/cut to allow the original follower to go into the new extension base …