C275 ButtonUp: Difference between revisions
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Revision as of 14:27, 23 September 2026
The C275 ButtonUp is Spyderco's first folding knife design to use a button-lock locking mechanism.
Appearance in catalogs
The C275 ButtonUp appeared in the following catalogs:
Designer
History, mentionings from the forums etc.
- ButtonUp, posted by forum member RugerNurse.
Information from the Spyderco catalog on the web
C275 ButtonUp
"Designed by Eric Glesser, the ButtonUp™ is Spyderco’s first-ever manual-opening button-lock folder. It combines a high-strength, ultra-convenient button-lock mechanism with ball bearing pivot washers to yield one of the smoothest and most “fidget-friendly” folder actions we have ever produced. Its modified clip point blade is crafted from 8Cr13MoV stainless steel and boasts a full-flat grind for superior edge geometry and strength. The blade is housed in a lightweight, easy-to-clean, open-backed handle constructed with smooth carbon fiber/G-10 laminate scales reinforced with nested stainless steel microliners around the pivot and lock. To ensure convenient carry and keep the ButtonUp poised for quick access, it includes a reversible hourglass clip that provides a choice of left- or right-side tip-up carry. The clip anchors to a second set of microliners nested in the butt of the handle and straddles a lined lanyard tube that allows the easy attachment of fobs and lanyards.
The ButtonUp is available in two different versions: one with a satin-finished blade and brightly finished handle hardware and an all-black theme featuring a black oxide blade coating and matching black-coated hardware. Both are available with a choice of PlainEdge™ or partially serrated CombinationEdge™ blade configurations."[1]
Variations
The C275 ButtonUp is made in China and features:
- A Button-Lock locking mechanism.
- Ball bearing pivot washers.
- A modified Clip Point Blade.
| SKU | Handle | Edge(s) | Steel | From/To | MSRP | Note | Number made | Grind | Clip | Clip positions | Collectors club |
| C275CF | Smooth finished Carbon Fiber/G-10 | PE, CE | 8Cr13MoV | March 2026 - | $100.00 (2026) | The CE version (C275CFPS) started shipping in July 2026. | Regular production | Full Flat grind | Chrome hourglass | LH/RH, TU | Main |
| C275CFBK | Smooth finished Carbon Fiber/G-10 | PE, CE | Black oxide-coated 8Cr13MoV | May 2026 - | $105.00 (2026) | Features all-black hardware. The CE version (C275CFPSBK) started shipping in August 2026. | Regular production | Full Flat grind | Black hourglass | LH/RH, TU | Main |
| C275CFBK | Smooth finished Carbon Fiber/G-10 | PE, CE | Black oxide-coated 8Cr13MoV | May 2026 - | $105.00 (2026) | Features all-black hardware. The CE version (C275CFPSBK) started shipping in August 2026. | Regular production | Full Flat grind | Black hourglass | LH/RH, TU | Main |
| C275GP | Black G-10 | PE | 8Cr13MoV | Sep. 2026 | $95.00 (MSRP, 2026), $71.25 (Street, 2026) | Blue Ridge Knives distributor exclusive | Regular production | Full Flat grind | Chrome hourglass | LH/RH, TU | Main |
| C275GPBK | Black G-10 | PE | Black oxide-coated 8Cr13MoV | Sep. 2026 | $105.00 (MSRP, 2026), $75.00 (Street, 2026) | Blue Ridge Knives distributor exclusive | Regular production | Full Flat grind | Black hourglass | LH/RH, TU | Main |
| C275GPGR | Olive drab G-10 | PE | 8Cr13MoV | Sep. 2026 | $95.00 (MSRP, 2026), $71.25 (Street, 2026) | Blue Ridge Knives distributor exclusive | Regular production | Full Flat grind | Chrome hourglass | LH/RH, TU | Main
|
| C275GPGRBK | Olive drab G-10 | PE | Black oxide-coated 8Cr13MoV | Sep. 2026 | $105.00 (MSRP, 2026), $75.00 (Street, 2026) | Blue Ridge Knives distributor exclusive | Regular production | Full Flat grind | Black hourglass | LH/RH, TU | Main
|
| C275GPBN | Brown G-10 | PE | 8Cr13MoV | Sep. 2026 | $95.00 (MSRP, 2026), $71.25 (Street, 2026) | Blue Ridge Knives distributor exclusive | Regular production | Full Flat grind | Chrome hourglass | LH/RH, TU | Main |
| C275GPBK | Brown G-10 | PE | Black oxide-coated 8Cr13MoV | Sep. 2026 | $105.00 (MSRP, 2026), $75.00 (Street, 2026) | Blue Ridge Knives distributor exclusive | Regular production | Full Flat grind | Black hourglass | LH/RH, TU | Main |
Most collectible variation
Any variation of the C275 in mint condition with original packaging and paperwork would be considered collectible.
Questions regarding collecting the C275
Some interesting questions we are looking for an answer to:
Questions with an answer:
Technical information
Measurements (mm and grams) of the C275 ButtonUp:
| Variation | Length overall | Length closed | Length blade | Length edge | Blade thickness | Weight |
| C275CFP | 195.072mm | 112.522mm | 83.058mm | 68.834mm | 3mm | 60g |
Measurements (inches and ounces) of the C275 ButtonUp:
| Variation | Length overall | Length closed | Length blade | Length edge | Blade thickness | Weight |
| C275CFP | 7.68in | 4.43in | 3.27in | 2.71in | 0.118in | 2.1oz |
References
- ↑ The C275 ButtonUp in Spyderco's online catalog, accessed 27 October 2025
Pictures
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