








HK Army
HK Army HSTL 68ci 4500psi Carbon Fiber Paintball Tank w/ Standard Reg
HK Army HSTL 68ci 4500psi Carbon Fiber Paintball Tank w/ Standard Reg
Black
2970 Seaborg Ave
2970 Seaborg Ave
Ventura CA 93003
United States
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HK Army HSTL 68/4500 Carbon Fiber HPA Paintball Tank – Standard Reg Black
Lightweight carbon fiber air system for consistent paintball performance.
The HK Army HSTL 68ci 4500psi Carbon Fiber HPA Paintball Tank is a high-capacity compressed air system designed to power paintball markers with reliable and consistent air pressure. Featuring a lightweight carbon fiber wrapped bottle and an aircraft-grade aluminum regulator, this tank delivers dependable performance while reducing overall marker weight.
The standard regulator outputs approximately 800 PSI, making it compatible with most paintball markers designed to operate on compressed air systems. Carbon fiber HPA tanks are popular among recreational and tournament players because they provide stable pressure, improved consistency, and lighter weight compared to traditional CO₂ tanks.
Lightweight Carbon Fiber • Reliable Air System • Built for the Field
68ci 4500psi Carbon Fiber Air System
This tank stores compressed air at up to 4500 PSI and delivers regulated pressure to your marker during gameplay.
- 68 cubic inch air capacity
- Maximum pressure rating: 4500 PSI
- Standard regulator output: ~800 PSI
- Compatible with most compressed air paintball markers
The 68/4500 configuration is one of the most popular tank sizes because it balances air capacity and lightweight handling for a wide range of players.
Lightweight Carbon Fiber Bottle
The HSTL tank features a carbon fiber wrapped bottle designed to safely store high-pressure air while remaining lighter than traditional aluminum tanks.
- Carbon fiber wrapped high-pressure bottle
- Approximate weight: about 2 lbs 2 oz
- Compact design for balanced marker setups
- Durable exterior construction
The lighter weight helps improve marker balance and reduces fatigue during long games.
Reliable Aircraft-Grade Regulator
The included aluminum regulator provides consistent output pressure to maintain stable marker performance throughout gameplay.
- Aircraft grade aluminum regulator
- ~800 PSI standard output pressure
- Integrated fill level gauge
- Protective fill nipple cover
Stable air delivery helps maintain consistent velocity and accuracy during gameplay.
Paintball Safety Standards
The HK Army HSTL air system is designed to meet common safety requirements for compressed air paintball tanks.
- DOT and TC approved cylinder
- 1.8K and 7.5K burst disks for safety
- Five-year hydrostatic testing cycle
- Certified for use in multiple regions
Hydrostatic testing ensures the tank remains safe and reliable throughout its service life.
Why Choose a Carbon Fiber HPA Tank?
Carbon fiber HPA tanks are preferred by many players because they provide consistent air pressure, reduced weight, and reliable performance across different weather conditions. Compared to CO₂ systems, compressed air tanks help maintain more stable velocity and reduce pressure fluctuation during rapid firing.
The 68/4500 size is a popular choice because it offers strong shot capacity while keeping the setup lightweight and balanced.
Complete Your Paintball Setup
- Shop Paintball Guns →
- Shop Paintball Loaders →
- Shop Harnesses & Pods →
- Shop Paintballs →
- Shop Tank Covers →
A complete paintball setup typically includes a marker, air system, loader, paintballs, and gear for carrying extra pods. A reliable compressed air tank is essential for powering your marker throughout the day.
Maddog Pro Tip
Adding a tank cover helps protect carbon fiber bottles from scratches and improves grip when shouldering your marker during gameplay.
Fill Your Tank • Add Paint • GAME ON
Frequently Asked Questions
What markers work with a 68/4500 HPA tank?
Most modern paintball markers designed for compressed air systems are compatible with a standard 800 PSI output tank.
How many shots does a 68/4500 tank provide?
Shot count varies by marker efficiency, but many setups can achieve approximately 1000–1200 shots from a full fill.
How often does the tank need hydro testing?
Carbon fiber paintball tanks typically require hydrostatic testing every five years.
