A&K Cylinder Set for Systema PTW / CTW / STW M4 Series ( M110 / Silver )

Upgrade the heart of your training rifle with the A&K Cylinder Set for Systema PTW / CTW / STW M4 Series Airsoft AEG Rifles (M110 / Silver)—a precision-engineered internal upgrade designed to deliver consistent power, airtight efficiency, and long-term durability for serious airsoft players and professional training platforms.

Built specifically for PTW-style systems, this fully assembled cylinder set is CNC machined to exacting tolerances, ensuring smooth operation and reliable performance shot after shot. Whether you’re maintaining a Systema PTW or upgrading a compatible A&K, CTW, or STW platform, this cylinder set is engineered to meet the expectations of users who demand realism, consistency, and mechanical reliability.

Precision Engineering for PTW Performance

At the core of this upgrade is precision CNC machining, utilizing a combination of high-quality aluminum, steel, and polymer components. Each material is selected for its role: aluminum for lightweight efficiency, steel for strength and wear resistance, and polymer for smooth internal motion. The result is a balanced system that enhances durability without sacrificing responsiveness.

The vacuum piston design is a standout feature, allowing for flexible airtight adjustment. This design ensures stable air compression, reducing inconsistencies in muzzle velocity and improving overall shot-to-shot reliability. For PTW platforms, where precision and realism are paramount, maintaining a consistent air seal is critical—and this cylinder set delivers exactly that.

Stable Velocity & Field-Ready Power

Configured with an M110 power rating, this cylinder set is ideal for players seeking a balanced performance profile suitable for most outdoor fields and mil-sim events. When paired with an 11.1V 5000mAh battery, users can expect an FPS range of approximately 380–420 FPS, depending on barrel length, hop-up setup, and overall system condition.

This makes it an excellent choice for players who want dependable mid-to-high FPS output without excessive stress on internal components. The stable velocity provided by the vacuum piston system also contributes to improved accuracy, making follow-up shots more predictable and effective at range.

Fully Assembled for Easy Installation

One of the biggest advantages of the A&K Cylinder Set is that it comes fully assembled. This reduces installation time and eliminates guesswork, allowing experienced technicians and knowledgeable players to perform upgrades or maintenance with confidence. Whether you’re refreshing a worn internal system or tuning a rifle for upcoming events, this drop-in design helps streamline the process.

Wide Compatibility Across PTW-Style Platforms

Designed to work with a broad range of PTW-style airsoft rifles, this cylinder set is compatible with:

• Systema PTW

• A&K PTW

• CTW

• STW

• Other compatible PTW-based M4 platforms

This versatility makes it an excellent choice for users managing multiple rifles or technicians servicing a variety of PTW systems.

Ideal for Serious Players & Training Builds

The A&K Cylinder Set is best suited for players who value mechanical realism, consistency, and reliability. Whether you’re running long mil-sim operations, maintaining a training rifle, or fine-tuning your PTW build, this upgrade provides a solid foundation for dependable performance.

Backed by A&K’s reputation for robust airsoft internals, this cylinder set delivers a practical balance of power, efficiency, and durability—making it a smart investment for any PTW owner looking to maintain peak performance on the field.

If you’re ready to restore consistency, improve air efficiency, and push your PTW-style rifle to its full potential, the A&K M110 Cylinder Set is a proven internal upgrade you can rely on.