| Model Number | 677 |
| Name / Description | CO2, one Powerlet, BB, semi-auto repeater |
| Dates of Manufacture | 1961-1964 |
| Parts Availability | Parts not available through Crosman. |
| Owner's Manual | C677-OM.pdf |
| Parts Diagram | C677-OM.pdf |
677 Owner's Manual & EVP (1961-1964)
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