Olight Osight Red 3 MOA – Rechargeable Red Dot Sight, RMR 407c/507c Footprint, Magnetic Charging Cover vs Spyderco Delica® 4 Lightweight – 2.9" K390 SpyderEdge Blade, Blue FRN Handle – C11FSK390
Prices refer to each product’s listed configuration. Materials, versions, condition and included parts can differ; open a product to compare its seller options.
| Olight | Spyderco | |
|---|---|---|
| Listed configuration price | $199.99 | $123.20(cheaper) |
| Category | Knives | Knives |
| Brand | Olight | Spyderco |
| Availability | Available when checked Last observed: 2026-10-19 21:40 UTC | Unavailable when checked Last observed: 2026-10-19 21:40 UTC |
| Brand sell-through% sold out | 37.4% | 55.4% |
| Median sell timehours to sell out | 12.4d | 12.4d |
| Retailers | 3 | 1 |
| Asking vs retailvs retail price | — | — |
Olight Osight Red 3 MOA – Rechargeable Red Dot Sight, RMR 407c/507c Footprint, Magnetic Charging Cover
Spyderco Delica® 4 Lightweight – 2.9" K390 SpyderEdge Blade, Blue FRN Handle – C11FSK390
Drop Beacon may earn a commission when you buy through affiliate links on this page — at no extra cost to you. Full disclosure.
Frequently asked questions
Which is cheaper, the Olight Osight Red 3 MOA – Rechargeable Red Dot Sight, RMR 407c/507c Footprint, Magnetic Charging Cover or the Spyderco Delica® 4 Lightweight – 2.9" K390 SpyderEdge Blade, Blue FRN Handle – C11FSK390?
The Spyderco Delica® 4 Lightweight – 2.9" K390 SpyderEdge Blade, Blue FRN Handle – C11FSK390 has a lower listed configuration price at $123.20, versus $199.99 for the Olight Osight Red 3 MOA – Rechargeable Red Dot Sight, RMR 407c/507c Footprint, Magnetic Charging Cover — a difference of $76.79 between their listed configurations. Materials and included parts may differ.
Where can I buy the Olight Osight Red 3 MOA – Rechargeable Red Dot Sight, RMR 407c/507c Footprint, Magnetic Charging Cover and Spyderco Delica® 4 Lightweight – 2.9" K390 SpyderEdge Blade, Blue FRN Handle – C11FSK390?
Drop Beacon tracks the Olight Osight Red 3 MOA – Rechargeable Red Dot Sight, RMR 407c/507c Footprint, Magnetic Charging Cover across 3 retailers and the Spyderco Delica® 4 Lightweight – 2.9" K390 SpyderEdge Blade, Blue FRN Handle – C11FSK390 across 1, comparing live prices and linking out to each.
Click Change on any product image to swap it out.