| Model Number | CO5M77 |
| Name / Description | Optimus. Break Barrel. .177 caliber pellet. Single shot. Upt to 495 fps. |
| Dates of Manufacture | 2011 |
| Parts Availability | Some parts available through Crosman. |
| Owner's Manual | CO5M77-515.pdf |
| Parts Diagram | CO5M77_EVP___PL.pdf |
CO5M77 Owner's Manual & EVP (2011)
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