The K777 is a reloadable composite motor from Kosdon.
| Certified By: | Tripoli Rocketry Association | 
| Delays: | 11 seconds | 
| Diameter: | 75.0000 mm | 
| Length: | 368.0000 mm | 
| Manufacturer: | Kosdon | 
| Name: | K777 | 
| Propellant: | APCP | 
| Status: | Out-Of-Production | 
| Thrust Duration: | 3.3300 s | 
| Total Weight: | 2933.0000 g | 
| Type: | Reloadable | 
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