Polarstar Kythera V2 M4/M16

What's Included?

• 1 x Kythera Engine

Features:

• Designed from the ground up as a high performance mechanical HPA system, not a modification of a solenoid operated design
• Patent pending valve mechanism provides excellent efficiency and consistent velocity combined with a realistic trigger pull and reset
• Completes a full shot cycle on the trigger pull alone which translates into consistent nozzle movement and rapid follow up shots
• Adjustable trigger. Adjustments include: Weight, length of pull and over travel
• Adjustable nozzle dwell/return speed
• Wide operating pressure range of 60 to 180psi

Technical Specifications:

• Model Number: 10000774
• Operating Pressure: 60psi - 180psi
• Velocity Ranges: 270fps - 500fps (measured using .20g 6mm BBs & 6.05 ID x 380mm L barrel)
• Fire Modes: Semi-Automatic

Q&A

Q: What makes the PolarStar Kythera V2 unique?

A: The Kythera is a fully mechanical HPA system, requiring no electronics or batteries. It offers a realistic single-action firearm trigger feel, excellent efficiency, and waterproof operation.

Q: How does the Kythera complete its shot cycle?

A: The system completes a full shot cycle on the trigger pull, automatically chambering the next round and refilling the firing volume. This enables rapid follow-up shots and reduces double feeding.

Q: What is the operating pressure and velocity range?

A: It operates at 60-180psi, providing velocities from 270fps to 500fps with .20g BBs. This makes it versatile for CQB, field, or sniper roles.

Q: Is the Kythera easy to install?

A: Yes, it installs as a single assembly into a standard V2 gearbox with no major modifications, retaining only the trigger, spring guide, selector, and safety components.

Q: What sets the Kythera’s trigger apart?

A: The trigger replicates the feel of a real single-action firearm, with adjustable weight, length of pull, and over-travel. It delivers a crisp break and realistic reset.

About the PolarStar Kythera: 

The **PolarStar Kythera V2** is a groundbreaking mechanical HPA system designed for players seeking high performance without relying on electronics or batteries. Unlike conventional systems, the Kythera is entirely mechanical, making it waterproof and highly reliable in any condition. This revolutionary design was built from the ground up to deliver exceptional efficiency, consistent velocity, and a realistic single-action firearm trigger feel, setting it apart from other HPA systems on the market.

At the heart of the Kythera is its **patent-pending valve mechanism**, which optimizes air usage and ensures consistent performance. Unlike solenoid-based designs, the Kythera directs 100% of the input air through the nozzle, enhancing efficiency and delivering stable velocity with every shot. Its wide operating pressure range of 60 to 180 psi allows for muzzle velocities from 270fps to 500fps (using .20g BBs and a standard barrel), making it adaptable for various roles, including CQB, field, and sniper configurations.

The **trigger mechanism** of the Kythera is a standout feature. Designed to replicate the weight and feel of a real single-action firearm, it delivers a crisp break and a realistic reset. The trigger is fully adjustable for weight, length of pull, and over-travel, allowing users to customize their shooting experience. Additionally, the system completes a full shot cycle on the trigger pull alone, ensuring rapid follow-up shots and reducing the risk of double feeding. The mechanical design eliminates the need for batteries or an electronic Fire Control Unit (FCU), providing players with a durable, consistent, and maintenance-friendly system.

Installation of the Kythera is straightforward. It integrates into a standard V2 gearbox as a single assembly, typically requiring no modifications. The system’s simplicity belies its advanced design, offering a seamless upgrade for those looking to enhance their airsoft rifle's performance. With its exceptional durability, mechanical precision, and wide adjustability, the PolarStar Kythera V2 is a versatile HPA system that caters to every airsoft role, whether you're a CQB specialist or a long-range sniper.

Inspired by the **Antikythera Mechanism**, a marvel of ancient Greek engineering, the Kythera embodies innovation and mechanical excellence. Much like its namesake, this system reflects a level of precision and ingenuity that makes it a standout in the airsoft industry. Whether you're seeking top-tier performance or a reliable system that can handle any condition, the PolarStar Kythera V2 delivers on every front.