Best Sellers

Shop Viper Tec's best-selling automatic knives — the top picks from the EDC community. Our most popular OTF knives and switchblades are built for daily carry, featuring lightweight aluminum handles, D2 and M390 premium steel blades, and reliable one-handed deployment. Whether you're looking for a compact mini OTF or a full-size automatic, these are the blades our customers reach for every day. Backed by our Viperlife lifetime warranty and priced from under $35.

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QSP Baby Penguin Blade City Limited ExclusiveQSP Baby Penguin Blade City Exclusive – 14C28N Sheepsfoot Fixed Blade & Camo Carbon Handle (Limited Edition /100) - Blade City
QSP Baby Penguin Blade City Limited Exclusive

2 colors available

$69.00
OTF Mystery Knife Bundle
OTF Mystery Knife Bundle
From $150.00
double action otf knifeblack ghost otf knife
Black Ghost OTF Knife (Multiple Blade Styles Available)
$99.00
Sold out
VT Karambit D/A OTF Automatic KnifeVT Karambit D/A OTF Automatic Knife
VT Karambit D/A OTF Automatic Knife
$99.00 $139.95
Mini Black Phantom D/A OTF - Viper TecMini Black Phantom D/A OTF - Viper Tec
Small Black Phantom D/A OTF (Multiple Blade Styles Available)
$79.95
VT Black Rocket Mini OTF KnifeVT Rocket Mini OTF automatic knife open with 2 inch blade and compact design
VT Black Rocket Mini OTF Knife

6 colors available

$34.00 $49.00
VT Infiltrator D2 Small OTF KnifeVT Infiltrator D2 Small OTF Knife
VT Infiltrator D2 Small OTF Knife
$99.00
closed Italian stiletto OTF knife showing snake skin handle design and thumb slide11" VT Don D/A OTF Automatic Knife – Snake Skin Handle
11" VT Don D/A OTF Automatic Knife – Snake Skin Handle
$89.95
VT Tactical OTF Pen - Viper Tecknife pen
VT Tactical OTF Pen Knife - Automatic Hidden Blade

5 colors available

$54.00 $79.95
Black Ghost D/A OTF - Spartan Blade - Viper Tecspartan blade
Black Ghost OTF Knife - Spartan Blade
$99.95 $119.95
otf stilettosotf stiletto
The Gargantuan Large Godfather 13" OTF Stiletto

2 colors available

$109.00
VT Digi Camo Large Phantom Double Edge OTFVT Digi Camo Large Phantom Double Edge OTF
VT Digi Camo Large Phantom Double Edge OTF
$89.00
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hendrix gear otfhendrix gear otf knife
Hendrix Gear | Black Triton D/A OTF - M390 Premium Steel (Multiple Blade Styles Available)
$129.95
VT WartHog OTF KnifeVT WartHog OTF Knife
VT WartHog OTF Knife
$119.99 $149.99
Monthly OTF Subscription
Monthly OTF Subscription
$49.95 $89.95
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VT Mini Black Stun OTFVT Mini Black Stun OTF
VT Mini Black Stun OTF
$42.00 $49.00
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Custom Anodized Hendrix Titanium M390 Auto Hell Hawk SwitchbladeCustom Anodized Hendrix Titanium M390 Auto Hell Hawk Switchblade
Custom Anodized Hendrix Titanium M390 Auto Hell Hawk Switchblade
$225.00
small otf knifemini otf knife for sale
Small Black Ghost D/A OTF
From $85.99
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VT Emperor D2 OTF KnifeVT Emperor D2 OTF Knife
VT Emperor D2 OTF Knife
$119.95 $150.00
Sold out
knuckle otfknuckle otf knife
Knuckle OTF (Multiple Styles Available)

2 colors available

$109.95 $139.95
otf knifeotf
Grey Ghost OTF Knife (Multiple Blade Styles Available)
$99.95
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damascus knifedamascus knife for sale
Black Ghost OTF Knife - Damascus Steel
$119.00 $159.99
VT Berserk OTFVT Berserk OTF
VT Berserk OTF

2 colors available

$99.00 $129.95
Blue Ghost D/A OTF (Multiple Blade Styles Available) - Viper TecBlue Ghost D/A OTF (Multiple Blade Styles Available) - Viper Tec
Blue Ghost OTF Knife (Multiple Blade Styles Available)
$99.95