Product Description
The Benchmade Auto Immunity (Model 2900BK-1) is a mid-sized tactical/EDC folding knife designed for those who demand maximum performance and concealment in a compact, legal-friendly package. This automatic folder features a highly effective 2.49-inch Wharncliffe plain edge blade crafted from premium CPM-M4 super steel (58-60 HRC), ensuring long-lasting edge retention and strength even through hard, extended cutting tasks. The aggressive yet accessible tip makes difficult cuts easy without awkward angles. The handle is built with sturdy yet lightweight Flat Dark Earth (FDE) Aluminum scales over steel liners, providing a comfortable, secure grip and remarkable durability. The blade fires instantly via the ambidextrous Automatic AXIS® Lock mechanism. This powerful, sub-compact auto is proudly Made in the USA.
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2.49" Wharncliffe plain edge blade made from premium CPM-M4 super steel with a Black Cerakote finish.
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Reliable Automatic AXIS® Lock mechanism with ambidextrous opener for rapid deployment.
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Lightweight Flat Dark Earth Aluminum handle scales; exceptionally light at only 2.29 ounces with a reversible deep-carry clip.
Specifications:
| Product Type | Automatic | |
| Brand | Benchmade | |
| Product Name | Auto Immunity | |
| Model # | 2900BK-1 | |
| Overall Length (in) | 5.95 | |
| Closed Length (in) | 3.46 | |
| Blade Length (in) | 2.49 | |
| Blade Thickness (in) | 0.09 | |
| Blade Material | CPM-M4 | |
| Blade Hardness (HRC) | 58-60 | |
| Blade Style | Wharncliffe | |
| Blade Edge | Plain | |
| Blade Grind | Flat | |
| Blade Finish | Black | |
| Handle Material | Aluminum | |
| Handle Finish | Flat Dark Earth | |
| Lock Type | Axis Lock | |
| Clip Position | Tip Up | Left/ Right | |
| Weight (oz) | 2.29 | |
| Origin | USA | |
| Blade Range | 2-2.99 |
