{"product_id":"clearance-hk-army-20oz-aluminum-co2-paintball-tank-blue-2025-hydro","title":"CLEARANCE HK Army 20oz Aluminum CO2 Paintball Tank - Blue | 2025 Hydro","description":"\u003c!-- =========================\nMADDOG CLEARANCE PDP DESCRIPTION\nCLEARANCE HK ARMY 20oz CO2 TANK - BLUE\nOPEN BOX \/ USED\nSEO + SHOPIFY SAFE\nGOLD STANDARD VERSION\n========================= --\u003e\n\u003cdiv class=\"md-pdp\" style=\"color: #111; line-height: 1.5;\"\u003e\n\u003ch2\u003eClearance HK Army 20oz Aluminum CO₂ Paintball Tank – Blue\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eReliable air. Premium HK Army style. Clearance pricing.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eClearance HK Army 20oz Aluminum CO₂ Paintball Tank\u003c\/strong\u003e delivers the dependable performance players expect from a traditional CO₂ air system while adding HK Army's distinctive Blue finish. Built from lightweight aluminum and equipped with an industry-standard pin valve and safety burst disc, this refillable tank is an excellent choice for CO₂-compatible paintball markers. \u003c\/p\u003e\n\u003cp\u003eEvery clearance tank is inspected before shipment and verified fully functional. Cosmetic condition may vary, but each tank remains safe, reliable, and field-ready at a discounted clearance price.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLightweight Aluminum • 20oz Capacity • Clearance Savings\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eWho This Tank Is For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePlayers using CO₂-compatible paintball markers\u003c\/li\u003e\n\u003cli\u003eTippmann, Spyder, JT, Azodin and similar mechanical markers\u003c\/li\u003e\n\u003cli\u003eRental fleets and group outings\u003c\/li\u003e\n\u003cli\u003eWeekend recreational players\u003c\/li\u003e\n\u003cli\u003eAnyone looking for an affordable backup tank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eReliable CO₂ Performance\u003c\/h3\u003e\n\u003cp\u003eThe HK Army 20oz CO₂ Tank provides dependable gas delivery and enough capacity for approximately \u003cstrong\u003e800–1,000 shots per fill\u003c\/strong\u003e, depending on your marker, weather conditions, and firing rate. It's one of the most popular air systems for recreational paintball because CO₂ remains inexpensive and widely available. :contentReference[oaicite:1]{index=1}\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eApproximately 800–1,000 shots per fill\u003c\/li\u003e\n\u003cli\u003eIndustry-standard CO₂ pin valve\u003c\/li\u003e\n\u003cli\u003eConsistent performance for mechanical markers\u003c\/li\u003e\n\u003cli\u003eEasy to refill at many paintball fields\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eImportant Tank Shipping Notice\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eALL paintball CO₂ tanks ship EMPTY\u003c\/strong\u003e to comply with Department of Transportation safety regulations and must be filled prior to use. \u003c\/p\u003e\n\u003cp\u003eCO₂ tanks require liquid carbon dioxide filling equipment and cannot be filled using compressed air or standard shop compressors.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFind Local CO₂ Tank Filling Services 🗺️\u003c\/h3\u003e\n\u003cp\u003eMost players refill CO₂ tanks at:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePaintball fields\u003c\/li\u003e\n\u003cli\u003eLocal paintball stores\u003c\/li\u003e\n\u003cli\u003eSporting goods stores\u003c\/li\u003e\n\u003cli\u003eWelding gas suppliers\u003c\/li\u003e\n\u003cli\u003eBeverage gas suppliers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNeed help finding a fill station?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUse our \u003cstrong\u003eCO₂ Fill Finder\u003c\/strong\u003e before game day.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/find-a-fill-station\"\u003eFind Local CO₂ Fills →\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eAlways call ahead to confirm CO₂ filling services are available.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eHow to Read Your Hydro Date\u003c\/h3\u003e\n\u003cp\u003eEvery HK Army CO₂ tank includes a stamped manufacture (hydro) date on the bottle.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExample:\u003c\/strong\u003e 01 ◇ 25 = Manufactured in January 2025\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAluminum CO₂ tanks require hydrostatic testing every 5 years.\u003c\/li\u003e\n\u003cli\u003eThe stamped date is the \u003cstrong\u003emanufacture date—not the expiration date.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMost fill stations will require tanks to be within their hydro test period before filling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eThis listing includes a 2025 hydro date.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eLightweight Aluminum Construction\u003c\/h3\u003e\n\u003cp\u003eThe durable aluminum bottle keeps weight low while standing up to years of recreational paintball use. The pin valve design is compatible with virtually every CO₂-ready paintball marker.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLightweight aluminum bottle\u003c\/li\u003e\n\u003cli\u003eIndustry-standard CO₂ pin valve\u003c\/li\u003e\n\u003cli\u003eHigh-pressure safety burst disc\u003c\/li\u003e\n\u003cli\u003eDurable HK Army finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eClearance Condition Notes\u003c\/h2\u003e\n\u003cp\u003eClearance items are inspected and sold at a discounted price due to condition. Stock photos shown. Request actual item photos if you'd like to see the exact tank before it ships. All CLEARANCE sales are final. GAME ON!\u003c\/p\u003e\n\u003cdetails style=\"margin: 12px 0;\"\u003e\n\u003csummary style=\"cursor: pointer; font-weight: bold;\"\u003eCONDITION: OPEN BOX - Inspected \u0026amp; Tested\u003c\/summary\u003e\n\u003cp style=\"margin-top: 10px;\"\u003e\u003cstrong\u003eOPEN BOX - Inspected \u0026amp; Tested\u003c\/strong\u003e – Sold new and returned within 30 days. Fully inspected and verified functional. May show minor handling marks, damaged packaging, or cosmetic blemishes. Cosmetic condition does not affect safety or performance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"margin: 12px 0;\"\u003e\n\u003csummary style=\"cursor: pointer; font-weight: bold;\"\u003eCONDITION: USED - Fully Functional\u003c\/summary\u003e\n\u003cp style=\"margin-top: 10px;\"\u003e\u003cstrong\u003eUSED - Fully Functional\u003c\/strong\u003e – Sold new and returned within 30 days. Fully inspected and verified functional. May show scratches, scuffs, paint marks, packaging damage, or signs of previous use. Cosmetic condition does not affect functionality or safety.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e20oz refillable CO₂ capacity\u003c\/li\u003e\n\u003cli\u003eLightweight aluminum bottle\u003c\/li\u003e\n\u003cli\u003eIndustry-standard pin valve\u003c\/li\u003e\n\u003cli\u003eHigh-pressure burst disc\u003c\/li\u003e\n\u003cli\u003eHK Army Blue finish\u003c\/li\u003e\n\u003cli\u003eApproximately 800–1,000 shots per fill\u003c\/li\u003e\n\u003cli\u003eDOT \u0026amp; TC approved cylinder\u003c\/li\u003e\n\u003cli\u003e2025 Hydro Date\u003c\/li\u003e\n\u003cli\u003eInspected and verified fully functional\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 HK Army 20oz Aluminum CO₂ Tank – Blue\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips EMPTY. CO₂ fill required before use.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eComplete Your Paintball Air Setup\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/paintball-guns\"\u003eShop Paintball Guns →\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/paintball-packages\"\u003eShop Paintball Packages →\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/paintball-loaders-hoppers-accessories\"\u003eShop Paintball Loaders →\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/paintball-harnesses-vests-pods\"\u003eShop Harnesses \u0026amp; Pods →\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/paintballs\"\u003eShop Paintballs →\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/paintball-remote-coils\"\u003eShop Remote Coils →\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eMaddog Pro Tip\u003c\/h3\u003e\n\u003cp\u003ePair your CO₂ tank with a remote coil and a 2+1, 4+1, or 6+1 harness to move the tank off your marker. This improves balance, reduces fatigue, and creates a lighter, more comfortable setup during long days on the field.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReliable Air. Premium HK Army Style. GAME ON!\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp style=\"font-size: .95em;\"\u003eKeywords: clearance HK Army CO2 tank, 20oz CO2 tank, blue CO2 paintball tank, HK Army aluminum tank, refillable CO2 bottle, 2025 hydro tank, used paintball tank, open box CO2 tank\u003c\/p\u003e\n\u003c\/div\u003e","brand":"HK Army","offers":[{"title":"OPEN BOX - Inspected \u0026 Tested \/ 2025","offer_id":45798162006060,"sku":"HK-2050-52000440-2025-OPN-1","price":25.0,"currency_code":"USD","in_stock":true},{"title":"USED - Fully Functional \/ 2025","offer_id":45798162497580,"sku":null,"price":22.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0355\/7120\/4140\/files\/HK-2050-52000440-2025-OPN-1-HKArmy20OzCO2tankblue.webp?v=1783983107","url":"https:\/\/maddogsports.com\/products\/clearance-hk-army-20oz-aluminum-co2-paintball-tank-blue-2025-hydro","provider":"Maddog Sports","version":"1.0","type":"link"}