The HK Army 20oz Refillable CO2 Tank will shoot around 1,000 paintballs on a single fill (CO2 Paintball Tank Ships Empty - Must Be Filled Prior to Use). Aluminum construction provides for a lightweight tank for any CO2 powered paintball marker. 

HK Army 20 oz Features:
* Durable Aluminum Tank Bottle
* 20-oz capacity
* Pin valve
* Lightweight DOT and TC certified
* Five year retest cycle
* Shipped EMPTY. Must Be Filled Prior to Use.

Available in Black, Red, Blue & Olive