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Stealth Sentinel Quick-Control Automatic Knife - Black Aluminum

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11.78


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Shadowline Deep-Carry Automatic Knife - Black Aluminum

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The Shadowline Deep-Carry Automatic Knife is built for quiet, confident EDC. A matte black 3.75-inch drop point snaps open with a positive push button, then locks up solid for real work. CNC-machined aluminum scales, jimping, and textured inserts keep the knife anchored in hand, while a slide safety lets you stage deployment without surprises. At 4.75 inches closed, 3.5 ounces, and riding on a deep-carry clip, it vanishes in your pocket until it’s time to cut, pry, or slice on demand.

11.78 11.78 USD 11.78

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  • Blade Length (inches)
  • Overall Length (inches)
  • Closed Length (inches)
  • Weight (oz.)
  • Blade Color
  • Blade Finish
  • Blade Style
  • Blade Edge
  • Handle Finish
  • Handle Material
  • Button Type
  • Theme
  • Safety
  • Pocket Clip

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The Shadowline Deep-Carry Automatic Knife - Black Aluminum is a modern EDC auto that doesn’t chase flash. It focuses on the fundamentals: a clean push-button automatic mechanism, a matte black drop point blade that actually cuts well, and a deep-carry profile that disappears until you need it. This is a side-opening automatic knife built for people who care about how a tool performs day in, day out—not how loud it looks on a desk.

Why this automatic knife earns a place in your everyday carry

An automatic knife should make common cutting tasks faster and more controlled, not more complicated. The Shadowline delivers a smooth, confident push-button deployment that brings a 3.75-inch matte black drop point into play with a single press. Once open, the lockup feels solid and predictable, so breaking down boxes, trimming cord, or cutting zip ties becomes a simple, repeatable motion.

Closed, it measures 4.75 inches and weighs just 3.5 ounces. That combination means this automatic knife carries like a compact pocket tool but opens to a full 8.5 inches of working reach. It stays out of the way until it’s needed, then gives you enough blade and handle to work with a full, comfortable grip.

Automatic knife mechanics: side-opening confidence you can feel

Side-opening automatic knives have a straightforward job: press the button, the spring takes over, and the blade locks into position. The Shadowline’s push button sits where your thumb naturally lands, making deployment easy even when you’re not thinking about it. You don’t need to flick, snap, or time your motion like a manual or assisted folder—press, open, cut.

A slide safety near the spine backs this up. When engaged, it prevents the button from firing in pocket or on the belt. When you’re ready to use the knife, thumb the safety forward, then press the button. That two-step process is quick but deliberate, which is exactly what you want from an automatic knife you carry every day.

CNC aluminum scales for structure and control

The handle uses CNC-machined aluminum to balance strength with slim carry. The result is a rigid frame that resists flex during harder cuts but avoids the bulk of heavier materials. Textured grip inserts and jimping at the thumb ramp give your hand reference points, so the knife stays planted when you apply pressure. Whether you’re cutting plastic banding, tape, or light packaging, the knife tracks straight without feeling slippery.

Matte black drop point for real-world utility

The 3.75-inch matte black drop point blade is built for utility first. The drop point profile gives you controlled tip work for opening packages or scoring material, while the belly of the blade offers smooth slicing performance. The matte black finish cuts glare and maintains the low-visibility, deep-carry theme: it looks like a working tool, not a showpiece.

Automatic knife designed for deep, discreet carry

The deep-carry pocket clip keeps the handle low in the pocket, leaving very little exposed. That matters if you’re carrying an automatic knife at work, around clients, or in any environment where you’d rather your tool stay quiet until needed. The combination of a slim aluminum profile, blacked-out blade and handle, and subtle branding supports that discretion.

The small green accent along the backspacer adds just enough visual guidance to orient the knife in your hand without turning it into a statement piece. It’s a functional design choice: under low light or quick draws, your eye and fingers have a reference without sacrificing the overall stealth look.

How this automatic knife compares to assisted and OTF options

If you’ve used spring-assisted folding knives, you know they require an initial blade movement before the spring engages. This automatic knife skips that step. From fully closed, a single press on the push button sends the blade into lockup, reducing the chance of a weak opening if your hand position is off or your grip is compromised by gloves or fatigue.

Compared to an out-the-front (OTF) knife, the side-opening design of the Shadowline gives you a broader handle, stronger in-hand feel, and typically tighter lockup sensation. For most everyday and light-duty tasks, that translates to more confidence in the cut and less mechanical drama. An automatic knife doesn’t have to be a conversation piece—it just has to open reliably and cut well, and that’s where this design focuses.

Build details that matter under real use

  • Side-opening automatic deployment with positive push-button action
  • Slide safety near the spine to control when the knife can fire
  • 3.75-inch plain-edge drop point for versatile slicing and tip control
  • CNC-machined aluminum handle with grip inserts and jimping
  • Deep-carry pocket clip for low-visibility, secure pocket placement

Best automatic knife choice for discreet EDC and retail-ready value

For retailers or buyers building a practical EDC lineup, this automatic knife offers the features most customers actually test in hand: a decisive button press, solid lockup, a comfortable grip, and a clip that truly carries deep. The fit and finish of the CNC aluminum scales, the presence of a real safety, and the controlled action all signal quality without pushing the price into collector territory.

For end users, that means you’re getting an automatic knife that behaves like a dependable pocket tool, not a novelty. It’s intuitive on day one: thumb off the safety, press the button, and the blade is ready for work. With its matte black profile and quiet ride in the pocket, it integrates easily into work, range, or off-duty carry setups.

Common questions about this automatic knife

Is a push-button automatic knife hard to control?

No. The point of a push-button automatic knife is to simplify deployment. With the Shadowline, the spring does the work of opening the blade, and the lock holds it in place. Your role is to maintain a firm grip on the handle and let the mechanism complete its cycle. The slide safety gives you the option to lock the system when you don’t want any accidental activation, such as when pocketing or adjusting your waistband.

How does this automatic knife handle everyday cutting tasks?

The drop point geometry and plain edge are designed for the kind of cutting most people actually do: opening boxes, slicing tape and plastic, trimming cord or paracord, and light material prep. The 3.75-inch blade offers enough length to be useful without feeling unwieldy in tighter spaces. The jimping along the spine allows you to choke up on the blade for fine control.

Who is this side-opening automatic knife best suited for?

This automatic knife suits users who value quick, one-handed access to a reliable cutting tool and who also care about low-profile carry. EDC enthusiasts, tradespeople, and anyone who frequently cuts packaging or light materials will appreciate the combination of deep carry, straightforward mechanics, and controlled deployment. It’s a logical step up from a manual folder for those who want more speed without overcomplicating the tool.

How does the safety work on this automatic knife?

The slide safety sits near the spine behind the button. When engaged, it blocks the button from being pressed far enough to release the blade. This reduces the risk of accidental opening when the knife is clipped in a pocket or being handled casually. When you intend to use the automatic feature, you simply thumb the safety forward to the off position, then press the button. It’s a deliberate sequence designed to be fast when you need it and secure when you don’t.

In the end, the Shadowline Deep-Carry Automatic Knife - Black Aluminum is about calm, repeatable performance. It rides low, opens cleanly, and cuts with the kind of predictability you want in a knife you rely on every day. If your priority is an automatic knife that disappears in carry and feels decisive in hand, this design is built for that exact role.

Blade Length (inches) 3.75
Overall Length (inches) 8.5
Closed Length (inches) 4.75
Weight (oz.) 3.5
Blade Color Black
Blade Finish Matte
Blade Style Drop Point
Blade Edge Plain
Handle Finish Matte
Handle Material Aluminum
Button Type Push button
Theme None
Safety Yes
Pocket Clip Yes