The Orca is an AR-15 rifle with a 3D printed upper and lower system. It is a preeminent member of a new generation of printed ARs that support printing the upper receiver as well as the lower. The goal of the project is to print as much of the AR-15 as possible, without compromising the performance.
The following components that would be on a factory AR-15 have been replaced by printed or non-firearm parts, or made unnecessary:
- Upper
- Lower
- Handguard
- Buffer tube
- Barrel nut
- Stock
- Grip
- Takedown pins
- Buffer retainer
The Orca design has been extensively tested by the guncad community and has proved its worth.




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