HK Army 20oz CO₂ Paintball Tank – Aluminum (Color Options)
Choose your color. Own your style. The HK Army 20oz CO₂ Paintball Tank is made from lightweight aluminum and available in multiple finishes to match your gear: Black, Red, Blue, or Olive. DOT/TC certified and built for reliable performance.
🔧 Product Specifications:
Capacity: 20oz CO₂ (compressed liquid gas)
Material: Aluminum construction with printed HK Army logo
Valve Type: Standard brass pin valve
Weight (Empty): Approx. 1 lb 13 oz (~1.8 lb)
Estimated Shots: ~800–1200 shots per full fill
Color Options: Black, Red, Blue, Olive
Certifications: DOT / TC Compliant
Hydro Requalification: Every 5 years (per 49 CFR §180.207)
Ships Empty: Requires certified CO₂ refill before use
⚠️ Safety & Legal Notices
Hydrostatic Requalification: This CO₂ tank must be requalified every 5 years from the date of manufacture per 49 CFR §180.207.
Prop 65 Warning: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. Learn more at www.P65Warnings.ca.gov.
Compressed Gas Warning: Never exceed pressure ratings. Inspect valve and tank before use. Always refill at certified CO₂ stations.
⛽ Important Filling Notice
Gray Dragon Airsoft is an online-only retailer. We do not fill tanks. All CO₂ tanks ship empty and must be filled at a certified facility before use.
🚚 Shipping Info
Ships only within the United States due to DOT pressure regulations. May ship separately from other items.
Status: In Stock and Available in All Color Options
