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Manufacturer: Airsoft Parts - Made in the Czech Republic

The locking screw is used to fixing the spring guide to the gearbox. The screw has a thread M5. This garantees compatibility with all our spring guides. The screw is made of steel and the surface is galvanized.

Advantages:

• Fixed spring guide ot the mechabox
• Prevents fracture of the spring guide when using strong springs

Producer: Airsoft parts

Spring Guide is made using a steel foot with a shiny nickel surface and a blackened nickel steel mandrel.Quality material, heat treatment and surface finishing result in no abrasion of the spring guide during shooting.A threaded hole is drilled in the bottom part of the mandrel.

The spring guide also incorporates an axial ball bearing which allows easy rotation of the spring in compression.This rotation significantly increases the service life of the spring.

Producer: Airsoft parts

Spring Guide is made using a steel foot with a shiny nickel surface and a blackened nickel steel mandrel.Quality material, heat treatment and surface finishing result in no abrasion of the spring guide during shooting.A threaded hole is drilled in the bottom part of the mandrel.

The spring guide also incorporates an axial ball bearing which allows easy rotation of the spring in compression.This rotation significantly increases the service life of the spring.

Producer: Airsoft parts

The main part of the ULTRA LIGHT piston is a lightweight plastic body, with full metal teeth.  The second tooth is remove to decrease the chance of pre-engagement by the sector gear.

The design of the plastic body is inspired by a bionic construction that ensures weight reduction. The high strength and stiffness was assure. Using this design, the weight of the piston was reduced to only 13.3 g.

The piston has a universal design for all AEG weapons except those with special gearboxes (PSG1, SR25, L85, ...). For long life, we recommend using spring to force M130 and rate of fire up to 20 RPS.

Advantages:

• Total weight of only 13.3 g
• Increases FPS and reduces stress gearboxes
• Durable plastic body
• Full-metal teeth
• Universal design

Producer: Airsoft parts

The piston contain of a very durable plastic body and a full metal teeth (14 pcs). The second tooth is remove to decrease the chance of pre-engagement by the sector gear.

182 holes are drilled in the plastic body of the piston, which significantly reduces the total weight. By reducing the weight, the piston's movement speed increases during the shot, thus increasing FPS and reducing the dynamic stress of the gearbox.

The universal design of the piston allows use on low, high and very high cadence weapons. We recommend using springs up to M140.

The piston is designed for all AEG weapons except special gearboxes (PSG1, SR25, L85, ...)

Color: red, black

Advantages: 

• Total weight of only 14.5 g
• Increases FPS and reduces stress gearboxes
• Durable plastic body 
• Full-metal teeth
• Universal design

Producer: Airsoft parts

The piston contain of a very durable plastic body and a full metal teeth (14 pcs). The second tooth is remove to decrease the chance of pre-engagement by the sector gear. Total weight is only 15.6g. 

The piston is designed for all AEG weapons except special gearboxes (PSG1, SR25, L85, ...)

Advantages: 

• Very low weight  
• Durable plastic body 
• Full-metal teeth
• Universal design

New generation 1.2:

• Modified holes on the front site

Video:

Producer: Airsoft parts

The cylinder head is made of duralumin EN AW 6012 on CNC machining center.The seal between the cylinder head and the cylinder is ensured by two O-rings. The rubber pad surface is fixed to the duralumin body by mechanical locks and high strength adhesive.

Advantages:
• Inner tapering to facilitate airflow into the nozzle
• Massive construction
• Shaped rubber pad

Producer: Airsoft parts
The piston head is made of a structural plastic TECAFORM also known as POM on the CNC machine. Nine holes are drilled on the front side.The air stream flows through these holes during compression thus expanding the O-ring which provides for better sealing of the space between the piston head and the cylinder.

The centre of the piston head is passed through by the lock nut, which spreads the clamping force over a larger area and therefore prevents breakage of the bolt from the body of the piston head.

This piston head also incorporates an axial ball bearing.

Advantages:

• High resistance
• Perfect sealing
• Axial ball bearing for easy spring rotation
• Plastic nut that reduces total weight

Producer: Airsoft parts

The cylinder head is made of duralumin EN AW 6012 on CNC machining centre.This head is a completely innovative design. The most significant difference is the rubber pad and single-piece seal.

Advantages:

• Without leakage between the cylinder head and the cylinder
• Large rubber pad surface suitable for the strong springs
• Seals and impact surface made of a single piece 
• Long lifetime
• Low noise level