EPES 300 PSI Small Pressure Gauge – 1/8 NPT

The EPES 300 PSI Small Pressure Gauge is an essential accessory for any serious HPA (high-pressure air) airsoft operator. Whether you’re fine-tuning a regulator, diagnosing a tank issue, or verifying field chronograph readings, this compact gauge provides accurate pressure monitoring in a size that fits into your kit bag.

Key Features

• 300 PSI maximum scale – covers most HPA skirmish and milsim setups
• 1/8 NPT male thread – standard connection for airsoft HPA fittings
• Small, portable dial design – easy to carry between games
• Accurate pressure readout – essential for regulator tuning and consistency
• Durable construction – built to withstand field handling

Real-World Use Cases

Use this gauge to verify tank pressure before deployment, monitor regulator output during setup, or troubleshoot inconsistent FPS between magazine dumps. Field skirmishers benefit from quick pressure checks without disconnecting primary systems, while milsim teams can maintain performance logs across matches.

Technical Specifications

• Brand: EPES
• Model: 300 PSI Small Gauge
• Maximum Pressure: 300 PSI
• Thread Type: 1/8 NPT male
• SKU: E037-300

Compatibility & Upgrades

Compatible with standard HPA regulators, tank manifolds, and inline diagnostic setups. Works with most airsoft AEGs and GBB pistols running polarstar, Wolverine, or equivalent HPA engines. Pair with quality HPA lines, regulators, and fittings for a complete pressure-monitoring solution.

UK Legal & Site Notes

This gauge is a passive monitoring tool and does not affect muzzle energy or FPS. Keep it in your maintenance kit for regular checks; most UK sites require evidence of chrono compliance, and this gauge helps you verify field-ready pressure settings beforehand.

Order the EPES 300 PSI Pressure Gauge today and take control of your HPA performance.