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BRK Designed by ESEE Zancudo Slide Lock Automatic Knife - 3.0" Bohler M390 Steel - Black G-10 Handle (BRKR4)
Product Description
When operating under demanding outdoor survival scenarios, fast-paced camp utility tasks, or high-velocity everyday carry situations, traditional manual folding knives often present an operational risk. Fumbling with dual-handed thumb studs or slow frame-lock bars when your secondary hand is actively managing wood stock, paracord, or rescue lines introduces clear tactical delays. Conversely, many classic automatic knives lean heavily on fragile button mechanisms that choke on outdoor grime or rely on thin aluminum frames that crack under concussive stress. The BRK Zancudo Automatic cleanly obliterates these structural flaws. Designed by the survival experts at ESEE Knives (Mike Perrin and Jeff Randall) for Blue Ridge Knives, this American-made workhorse morphs the legendary, ultra-practical geometry of the original Zancudo into a lightning-fast, slider-actuated outdoor automatic built to take absolute field punishment.
Proudly manufactured in the USA, the technical core of the BRKR4 Zancudo Auto centers on a 3.0-inch drop point blade precision forged from ultra-premium Bohler M390 stainless super steel. This specialized particle-metallurgy steel is globally revered among wilderness instructors for its astonishing edge retention, extreme wear resistance, and absolute immunity against severe atmospheric corrosion and acidic field fluids. The blade features a high-performance flat grind and a versatile stonewashed finish that beautifully diffuses harsh sunlight reflection while masterfully cloaking micro-scratches sustained during hard-use utility chores. This premium super steel is anchored inside an overbuilt, ultra-rigid frame comprised of full skeletonized stainless steel liners wrapped in heavily textured black G-10 composite scales.
Functionally, the Zancudo Auto provides a uniquely safe, fast, and completely ambidextrous mechanical experience driven by its heavy-duty crossbar slide lock mechanism. Instead of relying on a traditional tactical button, this folder deploys its blade via a spine-centered thumb slide bar. Pulling the spring-loaded slide bar backward instantly unleashes an internal coil spring, snapping the M390 blade open with a crisp, authoritative click. Once deployed, the solid steel crossbar seats tightly into the blade tang, creating an unyielding, bank-vault mechanical lockup free of dangerous vertical play or lock rock. The handle is meticulously sculpted with a deep, defensive index finger choil that prevents forward slipping onto the cutting edge, complete with an integrated lanyard hole and a rugged stainless steel pocket clip for secure tip-up right-hand carry.
*Survival Bench Notes & Crossbar Lock Guidance:
The Zancudo Auto utilizes a highly robust, dual-spring crossbar slide lock mechanism that handles intense downward cutting pressure, but its open-axis channel can accumulate fine trail dust, wood shavings, and pocket debris over long field shifts. Periodically flush out the spring tracks with compressed air or hot water to keep the trigger slide moving fluidly. While Bohler M390 steel offers premier resistance against corrosion, a sparse drop of lightweight dry-film lubricant applied directly to the internal pivot washers and slide tracks will maintain its rapid-fire deployment acoustics. To preserve maximum traction, avoid exposing the textured black G-10 scales to highly concentrated petroleum-based industrial cleaning solvents.
Key Features
- **ESEE Survival Engineering:** Masterfully designed by survival legends Mike Perrin and Jeff Randall, optimized to transform a field-proven utility shape into a hard-use automatic platform.
- **Premium Bohler M390 Super Steel:** The 3.0-inch flat-ground drop point blade leverages elite particle-metallurgy grain alignment to deliver world-class edge life and complete rust immunity.
- **Heavy-Duty Slide Lock Actuator:** Employs an ultra-secure crossbar locking system rather than a standard push button, providing intuitive, ambidextrous dual-action deployment and rock-solid lockup stability.
- **Textured Black G-10 Ergonomics:** Outfitted with premium, non-warping black G-10 handle scales that absorb structural impacts and deliver a secure, slip-resistant purchase in wet palms.
- **Full Stainless Steel Internal Liners:** Overbuilt with a rigid internal steel skeleton that ensures absolute frame stability and prevents flex under punishing twist cuts.
- **American Tactical Craftsmanship:** Engineered and built entirely in the USA to guarantee tight component tolerances, fluid mechanics, and unyielding field reliability.
Product Specifications
- Brand: BRK Designed by ESEE (Blue Ridge Knives)
- Line: Zancudo Automatic Series
- Model: Zancudo Auto Slide Lock
- MPN: BRKR4 / KR4
- UPC: 871373584240
- Designers: Mike Perrin & Jeff Randall (Randall's Adventure & Training)
- Country of Origin: USA
- Blade Length: 3.00 Inches (76.2 mm)
- Closed Length: 4.00 Inches (101.6 mm)
- Overall Length: 7.00 Inches (177.8 mm)
- Cutting Edge: 2.80 Inches (71.1 mm)
- Blade Thickness: 0.110 Inches (2.8 mm)
- Blade Material: Bohler M390 Stainless Super Steel
- Blade Style: Drop Point
- Blade Grind: Flat
- Blade Finish: Stonewash
- Edge Type: Plain
- Handle Material: Textured G-10 Scales with Stainless Steel Liners
- Handle Color: Black
- Handle Thickness: 0.53 Inches (13.5 mm)
- Lock Type: Slide Lock (Crossbar Lock Mechanism)
- Deployment Mechanism: Coil Spring-Driven Thumb Slide
- Pocket Clip: Stainless Steel (Right Hand, Tip-Up Carry)
- Weight: 3.80 oz
