The raw stainless Custom Shop release: bare metal, no coating, the only uncoated variation documented to date. Checkered front strap.
| Roll mark | M45A1 |
| Production | Colt Custom Shop |
| Finish | Raw stainless |
| Colors | Raw stainless frame / Raw stainless slide |
| Pistol box | Green Pelican |
| Shipping box | Outer cardboard shipper |