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Piranha Automatic Knives

Piranha automatic knives are high-quality and come in lots of options and colors. Each knife opens with a commanding kick and locks solidly into place. The handles on these knives are colored 6061-T6 aluminum, which is hard anodized and features recessed grooves for added gripping power.

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Showing 25 - 48 of 426 items
Piranha Virus Automatic Knife Black (3.25" Mirror) Piranha Virus Automatic Knife Black (3.25" Mirror)
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Made in USA

Piranha Virus Automatic Knife Black (3.25" Mirror)

$169.95
Piranha X Automatic Knife Green Aluminum (3.3" Mirror) Piranha X Automatic Knife Green Aluminum (3.3" Mirror)
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Made in USA

Piranha X Automatic Knife Green Aluminum (3.3" Mirror)

$169.95
Piranha X Automatic Knife Tactical (3.3" Black Serr) Piranha X Automatic Knife Tactical (3.3" Black Serr)
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Made in USA

Piranha X Automatic Knife Tactical (3.3" Black Serr)

$179.95
Piranha Amazon Automatic Knife w/ Black Handle (3.5" Mirror Plain) Piranha Amazon Automatic Knife w/ Black Handle (3.5" Mirror Plain)
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Piranha Amazon Automatic Knife w/ Black Handle (3.5" Mirror Plain)

$149.95
Piranha Fingerling Automatic Knife Blue Tactical (2.5" Black) Piranha Fingerling Automatic Knife Blue Tactical (2.5" Black)
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Made in USA

Piranha Fingerling Automatic Knife Blue Tactical (2.5" Black)

$139.95
Piranha Pocket Automatic Knife Red Tactical (3.2" Black) Piranha Pocket Automatic Knife Red Tactical (3.2" Black)
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Piranha Pocket Automatic Knife Red Tactical (3.2" Black)

$149.95
Piranha Fusion Automatic Knife Titanium (3.5" Satin) Piranha Fusion Automatic Knife Titanium (3.5" Satin)
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Made in USA

Piranha Fusion Automatic Knife Titanium (3.5" Satin)

$325.00
Piranha Fusion Automatic Knife Green Aluminum (3.5" Satin) Piranha Fusion Automatic Knife Green Aluminum (3.5" Satin)
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Made in USA

Piranha Fusion Automatic Knife Green Aluminum (3.5" Satin)

$209.95
Piranha Crossfire Automatic Knife Blue Aluminum (3.1" Black) P-23BT Piranha Crossfire Automatic Knife Blue Aluminum (3.1" Black) P-23BT
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Made in USA

Piranha Crossfire Automatic Knife Blue Aluminum (3.1" Black) P-23BT

$189.95
Piranha Crossfire Automatic Knife Black Aluminum (3.1" Black) P-23BKT Piranha Crossfire Automatic Knife Black Aluminum (3.1" Black) P-23BKT
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Piranha Crossfire Automatic Knife Black Aluminum (3.1" Black) P-23BKT

$189.95
Piranha Mini-Guard Red Tactical Automatic Knife (2.9" Black Plain) Piranha Mini-Guard Red Tactical Automatic Knife (2.9" Black Plain)
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Made in USA

Piranha Mini-Guard Red Tactical Automatic Knife (2.9" Black Plain)

$169.95
Piranha Mini-Guard Automatic Knife Green Aluminum (2.9" Stonewash Plain) Piranha Mini-Guard Automatic Knife Green Aluminum (2.9" Stonewash Plain)
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Made in USA

Piranha Mini-Guard Automatic Knife Green Aluminum (2.9" Stonewash Plain)

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Piranha Predator Automatic Knife Red Tactical (4.1" Black) Piranha Predator Automatic Knife Red Tactical (4.1" Black)
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Made in USA

Piranha Predator Automatic Knife Red Tactical (4.1" Black)

$199.95
Piranha 21 Tactical Automatic Knife Red Aluminum (3.4" Black) Piranha 21 Tactical Automatic Knife Red Aluminum (3.4" Black)
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Made in USA

Piranha 21 Tactical Automatic Knife Red Aluminum (3.4" Black)

$179.95
Piranha Amazon Tactical Black Automatic Knife (3.45" Black Serr) Piranha Amazon Tactical Black Automatic Knife (3.45" Black Serr)
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Made in USA

Piranha Amazon Tactical Black Automatic Knife (3.45" Black Serr)

$169.95
Piranha Mini Predator Pink/Black Tactical Automatic Knife (3.5" Black) Piranha Mini Predator Pink/Black Tactical Automatic Knife (3.5" Black)
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Made in USA

Piranha Mini Predator Pink/Black Tactical Automatic Knife (3.5" Black)

$189.95
Piranha Bodyguard Automatic Knife Green Tactical (3.3" Black Plain) Piranha Bodyguard Automatic Knife Green Tactical (3.3" Black Plain)
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Made in USA

Piranha Bodyguard Automatic Knife Green Tactical (3.3" Black Plain)

$169.95
Piranha Bodyguard Automatic Knife Red (3.3" Stonewash) Piranha Bodyguard Automatic Knife Red (3.3" Stonewash)
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Made in USA

Piranha Bodyguard Automatic Knife Red (3.3" Stonewash)

$159.95
Piranha Tactical Green Pocket Automatic Knife (3.2" Black Plain) Piranha Tactical Green Pocket Automatic Knife (3.2" Black Plain)
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Made in USA

Piranha Tactical Green Pocket Automatic Knife (3.2" Black Plain)

$149.95
Piranha Bodyguard Automatic Knife Blue (3.3" Stonewash) Piranha Bodyguard Automatic Knife Blue (3.3" Stonewash)
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Made in USA

Piranha Bodyguard Automatic Knife Blue (3.3" Stonewash)

$159.95
Piranha Mini-Guard Blue Tactical Automatic Knife (2.9" Black Plain) Piranha Mini-Guard Blue Tactical Automatic Knife (2.9" Black Plain)
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Made in USA

Piranha Mini-Guard Blue Tactical Automatic Knife (2.9" Black Plain)

$169.95
Piranha Green P-1 Pocket Automatic Knife (3.2" Mirror Plain) Piranha Green P-1 Pocket Automatic Knife (3.2" Mirror Plain)
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Made in USA

Piranha Green P-1 Pocket Automatic Knife (3.2" Mirror Plain)

$139.95
Piranha Mini-Guard Black Automatic Knife (2.9" Stonewash) Piranha Mini-Guard Black Automatic Knife (2.9" Stonewash)
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Made in USA

Piranha Mini-Guard Black Automatic Knife (2.9" Stonewash)

$159.95
Piranha Bodyguard Automatic Knife Red Tactical Aluminum (3.3" Black) Piranha Bodyguard Automatic Knife Red Tactical Aluminum (3.3" Black)
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Online Only
Made in USA

Piranha Bodyguard Automatic Knife Red Tactical Aluminum (3.3" Black)

$169.95
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