This weekend, the desktop weaponeers took a partially printed rifle out to test how long its plastic parts survived spewing bullets. The result? Six rounds until it snapped apart.

It’s the first live testing done by Wilson and Defense Distributed, the online collective that aims not only produce the world’s first fully 3-D printed gun, or “Wiki Weapon,” but create a clearinghouse for sharing weapons blueprints over the internet. But until these early prototypes can fire more than a few rounds without breaking, they have to be tested. The pressure from firing rapid-fire rounds is still too strong, though slowly firing single shots has apparently been demonstrated to last longer.