{"product_id":"piranha-21-tactical-automatic-knife-black-cpm-s30v-drop-point-3-375","title":"Piranha 21 Tactical Automatic Knife – Black CPM S30V Drop Point (3.375\")","description":"\u003ch2\u003e\u003cspan\u003ePiranha 21 Tactical Automatic Knife – Black CPM S30V Drop Point (3.375\")\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003eAmerican-Made Precision. Premium Steel. Lightweight Performance.\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePiranha 21 Tactical Automatic Knife\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e combines American-made craftsmanship, premium blade steel, and a lightweight design in a sleek, all-black automatic folding knife. Designed for everyday carry, outdoor utility, and tactical applications, the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePiranha P-21BKT\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e delivers an impressive combination of cutting performance, convenient push-button operation, and pocket-friendly portability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFeaturing a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3.375-inch black CPM S30V stainless steel drop point blade\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, the Piranha 21 offers excellent edge retention, wear resistance, and corrosion resistance. Its black aluminum handle provides a durable yet lightweight foundation, bringing the total weight to just \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2.67 ounces\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith its streamlined profile, automatic side-opening mechanism, and right-hand tip-up pocket clip, this USA-made automatic knife is a practical choice for enthusiasts who appreciate premium materials and distinctive styling.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eKey Features \u0026amp; Benefits\u003c\/span\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan\u003ePremium CPM S30V Steel – Exceptional Edge Retention\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eAt the heart of the Piranha 21 is its \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e3.375-inch CPM S30V stainless steel blade\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, a premium powder-metallurgy steel developed specifically for high-performance cutting tools.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eExcellent edge retention:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Maintains cutting performance through extended everyday use.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHigh wear resistance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Vanadium-rich steel chemistry helps resist abrasive wear.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eGood corrosion resistance:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Stainless steel construction offers dependable protection with proper maintenance.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eVersatile drop point profile:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Provides a practical balance of cutting control, tip strength, and everyday utility.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe flat-ground blade features a plain cutting edge and a sleek black finish, completing the knife's understated tactical appearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003ePush-Button Automatic Opening\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe Piranha 21 features a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eside-opening automatic mechanism\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e activated by a push button.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe automatic opening system provides convenient one-handed blade deployment, while the button-lock design secures the blade in the open position during normal cutting tasks.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis straightforward mechanism combines traditional automatic knife functionality with a contemporary folding design.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eLightweight Black Aluminum Handle\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eBuilt around a durable black aluminum handle, the Piranha 21 offers an excellent balance of strength, portability, and comfort.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAt just \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e2.67 ounces\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, it is exceptionally lightweight for a full-size automatic folding knife. The 4.25-inch closed handle makes it easy to carry without unnecessary bulk.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe all-black finish complements the blade for a clean, coordinated tactical appearance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eRight-Hand Tip-Up Pocket Carry\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eA right-hand, tip-up pocket clip provides convenient carry and accessibility. The lightweight aluminum construction and streamlined proportions make the Piranha 21 suitable for everyday pocket carry wherever automatic knives are legally permitted.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eProudly Made in the USA\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePiranha 21 Tactical Automatic Knife is made in the USA\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, combining premium CPM S30V blade steel with American manufacturing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFor knife enthusiasts seeking a lightweight, American-made automatic knife with premium materials, the P-21BKT offers an attractive combination of functionality, quality, and distinctive design.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003ePiranha 21 Tactical Automatic Knife Specifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eSpecification\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eDetails\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePiranha Knives\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e21 Tactical\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel Number\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eP-21BKT\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOverall Length\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e7.625\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBlade Length\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.375\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCutting Edge\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.25\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBlade Width\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.75\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBlade Thickness\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.18\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBlade Steel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCPM S30V Stainless Steel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBlade Style\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDrop Point\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBlade Grind\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFlat\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBlade Finish\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBlack\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eEdge Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePlain Edge\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHandle Length\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.25\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHandle Width\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.75\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHandle Thickness\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.50\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHandle Material\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAluminum\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHandle Color\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBlack\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.67 oz.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOpening Mechanism\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePush-Button Automatic\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLock Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eButton Lock\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePocket Clip\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRight-Hand, Tip-Up\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCountry of Origin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRecommended Use\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTactical, Everyday Carry, Outdoor Utility\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eWhy Choose the Piranha 21 Tactical Automatic Knife?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePiranha 21 P-21BKT\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e stands out for its combination of premium materials and lightweight everyday practicality. Its CPM S30V drop point blade delivers dependable cutting characteristics, while its aluminum handle keeps weight to a minimum.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhether you're adding another American-made automatic to your collection or looking for a premium folding knife for regular utility tasks, the Piranha 21 delivers a compelling balance of blade performance, portability, and design.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eExplore more \u003c\/span\u003e\u003c\/strong\u003e\u003ca href=\"https:\/\/www.tacticalsportinggoods.com\/collections\/automatic-folding-knives\"\u003e\u003cstrong\u003e\u003cspan\u003efolding automatic knives\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003cstrong\u003e\u003cspan\u003e at Southern Sporting Goods\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, including premium and everyday-carry models.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003chr\u003e\u003c\/div\u003e\n\u003ch2\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIs the Piranha 21 Tactical Knife made in the USA?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes. The Piranha 21 Tactical P-21BKT is manufactured in the United States and features premium CPM S30V stainless blade steel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWhat steel is used in the Piranha 21 automatic knife?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Piranha 21 features CPM S30V stainless steel, known for its excellent edge retention, wear resistance, and good corrosion resistance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHow much does the Piranha 21 Tactical weigh?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Piranha 21 weighs just 2.67 ounces, making it a lightweight option for everyday pocket carry.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIs the Piranha 21 an OTF or side-opening automatic knife?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Piranha 21 is a side-opening automatic folding knife. Its blade pivots outward from the handle when the push-button mechanism is activated.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes the Piranha 21 have a pocket clip?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes. The knife includes a right-hand, tip-up pocket clip for convenient carry.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003ePlease verify applicable state and local laws before purchasing or carrying an automatic knife.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"Southern Sporting Goods LLC","offers":[{"title":"Default Title","offer_id":68094896734251,"sku":null,"price":174.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/0686\/9056\/files\/Piranha21TacticalAutomaticKnife_BlackCPMS30VDropPoint_3_1.webp?v=1793468096","url":"https:\/\/www.tacticalsportinggoods.com\/products\/piranha-21-tactical-automatic-knife-black-cpm-s30v-drop-point-3-375","provider":"Southern Sporting Goods LLC","version":"1.0","type":"link"}