Fine-tune your air setup with the HK Army Pressure Piston, designed exclusively for the HK Army Performance Series Regulator. This high-quality piston upgrade gives you greater control over your output pressure, allowing you to optimize your marker’s efficiency, consistency, and shot accuracy.
Whether you’re maintaining your regulator or upgrading your setup for better performance, the HK Army Pressure Piston delivers the reliability and precision that serious players demand.
Engineered for Consistency and Control
The Mid Pressure (450–550 PSI) piston is built using Belleville Shim Stack technology, a precision-tuned system that enables fast, stable pressure regulation in a compact, durable design. The brass piston construction ensures long-lasting durability, while integrated O-rings provide a tight, leak-free seal every time.
This isn’t just a repair part; it’s a performance upgrade designed to help your regulator maintain consistent output pressure, even under heavy use.
Key Features
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Mid Pressure Output (450–550 PSI) – Ideal for tournament-level consistency and optimized air efficiency.
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Belleville Shim Stack System – Provides fine pressure control and fast recharge rates.
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Quick and Easy Installation – Drop-in compatible with all HK Army Performance Series Regulators.
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Brass Piston with O-Rings – Durable, leak-free design for long-term reliability.
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Consistent Airflow – Delivers stable pressure for improved shot accuracy and performance.
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Perfect for Regulator Maintenance or Upgrades – Replace worn components or upgrade for more precise control.
Built for Competitive Players
Consistency is key to winning games and your regulator plays a massive role in maintaining that edge. The HK Army Pressure Piston helps keep your Performance Series Regulator in peak condition, providing smooth air delivery from the first trigger pull to the last.
Whether you’re rebuilding, upgrading, or tuning your air system for competitive play, this piston gives you the performance boost you need to stay consistent, efficient, and confident on the field.
Why Choose HK Army Regulator Pressure Pistons
HK Army continues to innovate with precision-engineered air system components trusted by top-tier players around the world. Every product, from their regulators to their air accessories, is designed to deliver elite performance, durability, and reliability. Whether you need to replace your old piston, or you're fine-tuning your setup, the HK Army Performance Regulators and Pressure Pistons are here for you!
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