The HK Army 48ci 3K Aluminum HPA Tank w/ Regulator - Black is a durable and reliable compressed air system for paintball and airsoft, 
 
Product Specifications
Capacity: 48 cubic inches.
Maximum Pressure: 3000 psi.
Material: Durable aircraft-grade aluminum.
Output Pressure: Standard high-pressure compressed air regulator is set to an output pressure of approximately 800-850 psi.
Features: Includes a fill level gauge to monitor air supply. The regulator is equipped with two safety burst discs.
Safety Certifications: Meets or exceeds all applicable CE, ASTM, and Pi safety standards. It also has a 5-year hydro re-test cycle.