# silverbullet44  A hard keyboard with a hard keystroke that uses aluminum PCB for the top plate. Upgradable from sandwich mount to top mount by using optional parts. * Keyboard Maintainer: [swan_match](https://github.com/swanmatch/) * Hardware Supported: The PCBs, ProMicro * Hardware Availability: [PCB & Case Data](https://github.com/swanmatch/silverbullet44), [Booth Shop](https://swanmatch.booth.pm/items/1561270) Make example for this keyboard (after setting up your build environment): make silverbullet44:default See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs). [Build guide](https://swanmatch.github.io/silverbullet44/)