Polarstar Kythera® SA Nozzle (Type: #12)

PolarStar Kythera® SA Nozzle (Type: #12) – Precision Brass Drop-In Nozzle for HPA Engines

Take your HPA setup to the next level with the PolarStar Kythera® SA Nozzle (Type: #12)—a high-precision, brass-constructed nozzle specifically designed for use with PolarStar Kythera HPA engines. Trusted by competitive players and technicians alike, this nozzle is part of PolarStar’s universal nozzle system, ensuring compatibility, consistency, and high performance across your builds.

Whether you’re upgrading or replacing a component in your LCT AK-47, AK-74, or AK-M, this Type #12 nozzle delivers optimal air seal, reliable feeding, and consistent shot performance—hallmarks of PolarStar’s industry-leading HPA engineering.

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Engineered for Consistency and Compatibility

The Kythera #12 nozzle is a drop-in upgrade built from durable brass to deliver long-term reliability under demanding gameplay conditions. Precision-machined to exact tolerances, it ensures a perfect fit and seamless function with your Kythera mechanical HPA engine.

While Type #12 is commonly used with LCT AK-47/74/M platforms, its design reflects the nuances of gearbox compatibility. Because nozzle length can vary even between identical models from different manufacturers—due to design differences or gearbox shell thickness—PolarStar assigns numbers instead of model names to nozzles for cylinder conversion systems. This guarantees more accurate and flexible compatibility across multiple airsoft platforms.

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Universal Numbered System – Simplifies Upgrades Across Builds

Once you’ve determined your airsoft replica’s compatible nozzle number, that number becomes universally valid across all PolarStar engines that use the same system—including Kythera, JACK, and F2. So, if your rifle works with a #12 Kythera nozzle, you can expect that same nozzle number to fit in a future JACK or F2 build.

This forward-thinking design philosophy means no guesswork, fewer compatibility issues, and easier future upgrades.

💡 Note: Kythera models made for specific platforms (e.g., A&K/JG SR-25) use a dedicated “K” prefix nozzle, which isn’t part of the standard universal numbering system. However, these “K” nozzles share the same design profile as their standard counterparts, making them cross-compatible between standard and non-standard cylinder systems.

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PolarStar Quality You Can Trust

Every nozzle—except for the high-volume #1—is clearly marked with its designated number, making identification and organization easy for both individual users and tech shops. Like all PolarStar Airsoft products, the Kythera® #12 nozzle is made with top-tier engineering and backed by years of field testing and innovation.

Built from brass for optimal durability and air seal performance, the nozzle is crafted to stand up to the high demands of HPA systems—offering precise air delivery with every shot.

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Key Features:

• Type #12 brass nozzle designed for PolarStar Kythera HPA Engines

• Commonly used in LCT AK-47, AK-74, and AK-M airsoft rifles

• Drop-in design for fast, easy installation

• Precision-machined brass construction for longevity and reliability

• Part of PolarStar’s universal nozzle number system

• Compatible across Kythera, JACK, and F2 engine platforms (standard cylinder models)

• Clearly marked for quick identification (except #1)

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Specifications:

• Compatibility: PolarStar Kythera HPA Engines, most commonly for LCT AK-47/74/M

• Material: Brass

• Model Type: #12

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About PolarStar Airsoft

Founded in 2009, PolarStar Airsoft redefined the industry with the introduction of the patented Fusion Engine—a groundbreaking leap in HPA innovation. As a division of PolarStar Engineering & Machine (PSE&M), the company combines elite American craftsmanship with cutting-edge CAE/CAD/CAM technologies to deliver Made in the USA airsoft systems trusted by professionals and enthusiasts worldwide.

PolarStar continues to drive the evolution of airsoft with high-performance, precision-engineered components like the Kythera mechanical HPA system and its supporting parts, including the universal nozzle system that simplifies builds and enhances cross-platform compatibility.

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Upgrade with Confidence

When precision matters, trust the experts. The PolarStar Kythera® SA Nozzle Type #12 offers an essential upgrade for players seeking consistency, reliability, and high-performance from their HPA setup. Whether you’re tuning a competition build or customizing a field rifle, this brass nozzle delivers tight air seal, versatile compatibility, and the peace of mind that comes with PolarStar engineering.

Equip your Kythera engine with the right nozzle—Type #12—and experience elite-level HPA performance.