10/20 Mags help

[maurice05]

Now this my HK clone is finally complete in your opinion whats the simplest way to convert my existimg 20 round hk mags to 10 rounders or should i just buy the plastic mag blocks and call it a day im trying to avaiod buying any more mags since i have close to 100 hk mags as it is

* The magazine inserted in the rifle is just a mag body all internals have been removed to stay legal

[Q]

rivit one of the aluminum ones. You only need one 10/20.
G3 looks good.

[maurice05]

Yeah a rivit was my first thought, i think my uncle has a rivit gun i can borrow