Benchmade
Benchmade Infidel 3300BK OTF Automatic Knife – 3.91" Black-Coated D2 Double-Edge Dagger Blade
Benchmade Infidel 3300BK OTF Automatic Knife – 3.91" Black-Coated D2 Double-Edge Dagger Blade
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Product Description
The OTF That Set the Standard
Few automatic knives have achieved the legendary status of the Benchmade Infidel 3300BK. Originally developed for military and law enforcement professionals, the Infidel has become one of the most recognizable premium out-the-front automatic knives ever produced. With its distinctive profile, lightning-fast double-action mechanism, and uncompromising American craftsmanship, the Infidel continues to define what a premium tactical OTF should be.
Proudly Made in the USA, the 3300BK features a 3.91-inch black-coated D2 tool steel dagger blade, a precision-machined 6061-T6 anodized aluminum handle, and Benchmade’s renowned double-action OTF mechanism.
Premium D2 Double-Edge Dagger Blade
The 3.91-inch dagger blade is crafted from D2 tool steel, offering exceptional edge retention, wear resistance, and toughness for demanding use.
A durable black-coated finish minimizes glare while helping protect the blade from corrosion and everyday wear.
Blade Highlights
- 🔪 3.91” double-edge dagger blade
- ⚙️ Premium D2 tool steel (60–62 HRC)
- ⚫ Black-coated finish
- ✂️ Double-edge plain blade
- 💪 Excellent piercing strength and long-lasting edge retention
Legendary Double-Action OTF Deployment
The Infidel features Benchmade’s signature double-action out-the-front automatic mechanism, allowing the blade to deploy and retract using the same oversized thumb slider.
Its smooth action, minimal blade play, and reliable lockup have made the Infidel one of the most respected production OTF knives ever built.
Deployment Features
- ⚙️ Double-action OTF automatic
- ⚙️ Oversized thumb slider
- ⚙️ Fast one-handed deployment and retraction
- ⚙️ Precision-engineered lockup
Aircraft-Grade Aluminum Handle
Machined from 6061-T6 hard-anodized aluminum, the Infidel’s handle features Benchmade’s signature bi-directional tread pattern for exceptional grip and control.
The deep-carry tip-down pocket clip provides secure carry, while the included MOLLE®-compatible nylon sheath offers additional carry options for tactical gear and packs.
Why Choose the Benchmade Infidel?
✔ Iconic Benchmade OTF design
✔ Premium D2 tool steel blade
✔ Double-edge dagger profile
✔ Double-action automatic deployment
✔ 6061-T6 anodized aluminum handle
✔ Deep-carry pocket clip
✔ MOLLE®-compatible sheath included
✔ Made in the USA
Specifications
- Brand: Benchmade
- Model: Infidel
- Model Number: 3300BK
- Designer: McHenry & Williams
- Knife Type: Double-Action OTF Automatic
- Blade Length: 3.91 in.
- Overall Length: 8.91 in.
- Closed Length: 5.00 in.
- Blade Thickness: 0.118 in.
- Blade Material: D2 Tool Steel
- Blade Hardness: 60–62 HRC
- Blade Style: Double-Edge Dagger
- Blade Finish: Black Coated
- Blade Edge: Plain
- Opening Mechanism: Double-Action OTF Automatic
- Opening Method: Thumb Slider
- Handle Material: 6061-T6 Anodized Aluminum
- Handle Color: Black
- Pocket Clip: Deep Carry, Tip-Down
- Sheath: MOLLE®-Compatible Nylon
- Weight: 4.90 oz.
- Country of Origin: USA
What’s Included
- Benchmade Infidel OTF Automatic Knife (3300BK)
- MOLLE®-Compatible Nylon Sheath
- Factory Packaging
- Benchmade LifeSharp® Lifetime Service
Knife Depot Take
The Benchmade Infidel is more than just an automatic knife—it’s a benchmark. For nearly two decades, it has been the knife many enthusiasts compare every other premium OTF against. The oversized thumb slider, precision-machined aluminum chassis, and crisp double-action mechanism create an experience that feels unmistakably Benchmade.
While newer OTF models offer different blade steels and materials, the Infidel remains the knife that established Benchmade’s reputation in the premium OTF market. If you’re looking for an iconic American-made automatic with proven reliability, the 3300BK belongs at the top of your list.
Why It’s Worth Paying Attention To
The Benchmade Infidel continues to be trusted by military personnel, law enforcement officers, collectors, and everyday carry enthusiasts because it delivers consistent, dependable performance. Its distinctive design, premium construction, and smooth action have made it one of the most influential OTF automatic knives ever produced.
Upgrade Your Everyday Carry
Own one of the most iconic automatic knives ever made. The Benchmade Infidel 3300BK combines legendary American craftsmanship, premium materials, and lightning-fast double-action deployment in a package built to perform for years to come.
Order your Benchmade Infidel today and experience the OTF that set the industry standard.
Specifications
| Automatic Knife | Yes |
| Country of Origin | USA |
| Knife Type | OTF |
About brand
Benchmade Knife Company, Inc. set-up shop in Clackamas, Oregon in 1990 (originally founded in California in 1988). The initial knives primarily consisted of the Bali-Song knives, using a combination of outside vendors and inside processing to build finished products. And like most companies, starting out meant scarce money and big plans, using second hand equipment and limited resources.
Soon, a natural born fortitude and an undying passion to make it right and make it Benchmade, prospered into significant growth. As the product line grew so did the in-house capabilities. We began to acquire new machines and technologies including the first of several lasers, making Benchmade the first knife manufacturer to have such equipment in-house. Open minds and positive attitudes would lead to several more industry firsts over the course of the next several years.
This was only the beginning of Benchmade's breaking of new ground in the manufactured knife markets by using non-traditional materials and modern manufacturing methods in not only building knives better but, inevitably building better knives. The Designer Series was first introduced in 1991 with several custom designs being manufactured. By tapping into the custom knife makers' knowledge and combining it with our manufacturing expertise we were more readily able to offer more contemporary knife designs and innovations to the knife users.
Consecutive years of aggressive growth led to the next logical step in 1996 when Benchmade moved into its own 35,000 sq. ft. facility. A contemporary styled building complete with all of the modern equipment and amenities necessary to manufacture what has become recognized as a higher standard of specialty cutlery.
Today, Benchmade Knife Company, Inc. manufactures knives for a loyal and ever growing following of knife users. As we move into the 21st century we are poised for even more exciting opportunities, innovations and ongoing total world-class quality. Here at Benchmade we employ a simple philosophy- 'Make it cool, make it solid, make it happen and definitely make it Benchmade.'