HK Army x Planet Eclipse Fossil CS3 Onyx Electronic Paintball Gun

HK Army x Planet Eclipse Fossil CS3 Onyx

Elite Tournament Paintball Gun with HK Army Fossil Milling

The HK Army x Planet Eclipse Fossil CS3 Onyx combines the world-class engineering of Planet Eclipse with HK Army’s aggressive Fossil milling to create a premium electronic paintball gun built for serious competitive play.

Built on the legendary Planet Eclipse CS3 platform, the Fossil CS3 delivers ultra-smooth shooting, advanced spool-valve performance, and exceptional efficiency trusted by professional paintball players around the world.

HK Army’s signature Fossil milling transforms the CS3 into a unique collector-level paintball gun, pairing aggressive styling with the flagship performance of the Eclipse CS series.

HK Army x Planet Eclipse Collaboration

The Fossil CS3 represents a collaboration between two of the most respected brands in paintball:

• Planet Eclipse – industry leader in tournament paintball gun engineering
• HK Army – known for innovative design and premium custom finishes

HK Army applies its signature Fossil milling pattern across the body, back cap, and barrel back to create a distinctive look while maintaining the reliability of the Eclipse CS platform.

Planet Eclipse CS3 Performance

The CS3 is one of the most advanced tournament paintball guns ever produced, featuring Planet Eclipse’s latest drivetrain technology.

Key performance features include:

• OP Core spool valve drivetrain with Fully Decoupled Drive
• Auto Dwell Dynamics (ADD) for optimal efficiency and reliability
• Low operating pressure (95–105 PSI) for reduced recoil and quieter shots
• Cure FT high-flow bolt with 3-stage acceleration
• MME electronics package with Bluetooth and OLED display
• 5-point adjustable blade trigger with rake control
• SL6 inline regulator for consistent air delivery
• Tool-less bolt removal for quick maintenance

The OP Core drivetrain offers improved efficiency and smooth performance compared to previous CS models while operating at lower pressure for reduced recoil and noise.

Built for Elite Competitive Play

The HK Army Fossil CS3 Onyx paintball gun is ideal for:

• Professional and tournament paintball players
• Speedball and competitive tournament layouts
• Players upgrading from mid-range electronic markers
• Players seeking the highest-level Eclipse performance platform

For best performance, pair this paintball gun with a high-speed electronic loader and a 4500 PSI HPA tank.

What’s Included

• HK Army x Planet Eclipse Fossil CS3 Onyx Paintball Gun
• S63 Pro 14.5" 3-Piece Precision Barrel
• PWR Inserts (.689 and .685)
• Barrel Cover
• Hard Zipper Case
• Spare Parts Kit and Tools

Loader, tank, and additional accessories sold separately.

Frequently Asked Questions

Is this a Planet Eclipse paintball gun?
Yes. The CS3 platform is engineered by Planet Eclipse and customized by HK Army.

Is the Fossil CS3 mechanical or electronic?
This is a high-performance electronic paintball gun designed for tournament play.

What air system should I use?
A 4500 PSI HPA tank is recommended for optimal performance.

Do I need an electronic loader?
Yes. Electronic paintball guns perform best with high-speed loaders capable of keeping up with tournament firing modes.

Planet Eclipse Precision. HK Army Style.

When you want elite tournament performance combined with aggressive custom styling, the HK Army x Planet Eclipse Fossil CS3 Onyx paintball gun delivers.

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