Maddog
CLEARANCE Maddog 20 Oz Aluminum Paintball Tank Co2 Bottle - Black | OPEN BOX / USED
This CLEARANCE Maddog 20 Oz Aluminum Paintball Tank Co2 Bottle was sold brand new and returned within 30 days. Inspected, tested, and verified fully functional, but may show minor signs of handling or limited use. Cosmetic condition does not affect performance or safety. Stock photos shown. Request actual item photos if you'd like to see it before it ships. All CLEARANCE sales are final. GAME ON!
Selected hydro year: 2021.Hydro date varies by selection. Tanks are good for 5 years from the selected date until they will need to be re-hydrotested. If you need the exact stamp or photos of the actual tank you will receive, request photos before purchase. All CLEARANCE sales are final.
CLEARANCE Maddog 20 Oz Aluminum Paintball Tank Co2 Bottle - Black | OPEN BOX / USED
OPEN BOX - Inspected & Tested / 2021
2970 Seaborg Ave
2970 Seaborg Ave
Ventura CA 93003
United States
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This CLEARANCE Maddog 20 Oz Aluminum Paintball Tank Co2 Bottle was sold brand new and returned within 30 days. Inspected, tested, and verified fully functional, but may show minor signs of handling or limited use. Cosmetic condition does not affect performance or safety. Stock photos shown. Request actual item photos if you'd like to see it before it ships. All CLEARANCE sales are final. GAME ON!
Selected hydro year: 2021.Hydro date varies by selection. Tanks are good for 5 years from the selected date until they will need to be re-hydrotested. If you need the exact stamp or photos of the actual tank you will receive, request photos before purchase. All CLEARANCE sales are final.
This CLEARANCE Maddog 20 Oz Aluminum Paintball Tank Co2 Bottle was sold brand new and returned within 30 days. Inspected, tested, and verified fully functional, but may show minor signs of handling or limited use. Cosmetic condition does not affect performance or safety. Stock photos shown. Request actual item photos if you'd like to see it before it ships. All CLEARANCE sales are final. GAME ON!
Selected hydro year: 2021.Hydro date varies by selection. Tanks are good for 5 years from the selected date until they will need to be re-hydrotested. If you need the exact stamp or photos of the actual tank you will receive, request photos before purchase. All CLEARANCE sales are final.
Clearance Maddog 20oz CO2 Paintball Tank – Aluminum Bottle
Reliable air. Field-proven. Clearance pricing.
The CLEARANCE Maddog 20oz CO2 Paintball Tank is a classic, refillable air system built specifically for CO2-powered paintball markers. Featuring a lightweight aluminum body and industry-standard pin valve, this tank delivers consistent performance for recreational play, rental fleets, and backup setups.
Important: This is a CO2 tank, not an HPA / compressed air system. Compatible only with paintball markers designed to run on CO2.
Clearance inventory typically comes from customer or marketplace returns. Cosmetic wear may be present, but functionality, safety certification, and performance are not affected. Every clearance tank is inspected, tested, and verified fully functional before resale.
Who This Tank Is For
- CO2-compatible paintball markers
- Rental fleets, field operators, and group event loadouts
- Recreational and weekend paintball players
- Backup or spare air systems
- Value-focused buyers who don’t mind cosmetic wear
Maddog 20oz CO2 Tank Features
- 20oz refillable CO2 capacity – built specifically for paintball use
- Approximately 800–1000 shots per fill – varies by marker and conditions
- Lightweight aluminum construction – durable and easy to handle
- Industry-standard pin valve – compatible with standard CO2 markers
- Fresh tank dates guaranteed – current manufacture dates
- 5-year hydro test cycle – re-test required every 5 years
- Meets or exceeds ASTM, DOT, TC, and CGA standards
Tank Specifications
- Length: 10.5 inches
- Diameter: 3 inches
- Weight (empty): approximately 1.75 lbs
- Weight (full): approximately 3 lbs
- Valve type: CO2 pin valve
Shipping & Hydro Testing Info (Important)
- All CO2 tanks ship EMPTY to comply with Department of Transportation regulations.
- 5-Year Hydro Cycle: The date stamped on the tank is the manufacture date (NOT an expiration date). Tanks are usable for 5 years from this date before re-hydro testing is required.
Don’t get stuck with an empty tank. Use the finder below to check CO2 fill options near you before game day.
Find Local CO2 Tank Filling Services 🗺️
In compliance with U.S. transportation regulations, ALL CO2 tanks ship empty and must be filled before play.
Enter your ZIP code below to open Google Maps with nearby CO2 refill options.
Clearance Condition Notes
Clearance 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 condition before it ships. All CLEARANCE sales are final. GAME ON!
CONDITION: OPEN BOX – Inspected & Tested
OPEN BOX – Inspected & Tested – This tank was sold brand new and returned within 30 days. Tested and verified fully functional, but may show minor signs of handling, limited use, or damaged packaging. Cosmetic condition does not affect performance or safety. GAME ON!
CONDITION: USED – Fully Functional
USED – Fully Functional – This tank was sold brand new and returned within 30 days. Tested and verified fully functional, but shows visible signs of previous use, including cosmetic wear such as scratches, scuffs, paint marks, or damaged or missing packaging. Cosmetic condition does not affect performance or safety. GAME ON!
Frequently Asked Questions
Is this tank HPA or compressed air?
No. This is a CO2 paintball tank. It is not compatible with markers that require HPA only.
Does this tank come filled?
No. All CO2 tanks ship empty to comply with DOT regulations. You must have it filled before use.
How long is the hydro good for?
CO2 tanks require hydrostatic testing every 5 years from the stamped manufacture date.
Why is this item discounted?
This item is discounted due to cosmetic condition only. Functionality and safety certification are fully verified.
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