PolarStar Micro Reg Gen 2 – MR2 HPA Regulator

PolarStar Micro Reg Gen 2 MR2 HPA Regulator – Compact High-Pressure Air Regulator for HPA Gel Blasters & Airsoft

The PolarStar Micro Reg Gen 2 (MR2) HPA Regulator is a compact, high-performance regulator designed to deliver consistent and reliable air pressure for HPA-powered gel blasters and airsoft systems. Built by PolarStar, one of the most trusted manufacturers in the high-pressure air ecosystem, the MR2 provides precise pressure regulation in an ultra-small footprint, making it ideal for players who demand performance without bulky equipment.

Unlike larger HPA regulators that add unnecessary weight or size to your setup, the MR2 Micro Regulator has been engineered for efficiency and durability. Its lightweight body integrates seamlessly with most standard HPA tank setups while maintaining extremely stable output pressure. This ensures smooth and predictable firing performance, whether you’re running a PolarStar engine, HPA conversion kit, or other compatible HPA systems.

The Gen 2 MR2 upgrade improves reliability, airflow efficiency, and adjustment precision compared to earlier micro regulators. The regulator is designed to respond quickly to pressure changes during rapid firing, helping maintain consistent FPS and shot-to-shot performance. This level of consistency is essential for competitive players and serious enthusiasts who want predictable results in every engagement.

For players building a high-performance HPA gel blaster or airsoft rifle, the PolarStar MR2 provides the ideal balance of compact design, robust construction, and dependable pressure regulation.

What’s in the box?

• 1 x PolarStar Micro Reg Gen2
• 1 x PolarStar Sticker
• 1 x PolarStar business card, with QR code to their downloads section of their website, for manual etc.

The PolarStar Micro Reg Gen 2 (MR2) delivers precision pressure control in a compact HPA regulator designed for high-performance gel blaster and airsoft builds.

What is the PolarStar Micro Reg Gen 2 MR2 Regulator used for?

The PolarStar MR2 Micro Regulator is used to regulate high-pressure air from an HPA tank down to the operating pressure required by HPA engines used in gel blasters and airsoft rifles. This allows consistent airflow delivery, stable FPS, and smooth trigger response.

Who typically uses the MR2 HPA regulator?

The MR2 regulator is commonly used by:

• HPA Gel Blaster enthusiasts building custom HPA systems
• Competitive Speed Soft players requiring consistent pressure output
• Players upgrading from standard regulators to a compact micro regulator setup
• Builders using PolarStar HPA engines such as F1, F2, Jack, or similar systems

Why choose a micro HPA regulator like the PolarStar MR2?

A micro regulator like the PolarStar MR2 provides several advantages:

• Smaller footprint for lightweight builds
• Improved balance when mounted on tanks or air rigs
• Precise pressure control for tuning performance
• Reliable airflow even during rapid firing sequences

Is the PolarStar MR2 suitable for gel blasters?

Yes. The PolarStar MR2 regulator is commonly used in HPA-converted Gel Blasters, where it provides stable pressure regulation to ensure consistent firing performance and adjustable FPS tuning.

Click Below, to download the manual for the MR2 Micro Reg.