Custom Parts (1282)

The ultimate inner barrel that delivers performance that satisfies SPARK custom engineers. "Hirei®" is a high-quality, ultra-precise inner barrel made entirely in Japan, developed with the cutting-edge metalworking techniques of...

The ultimate inner barrel that delivers performance that satisfies SPARK custom engineers. The bore has been widened from the previous 6.05mm bore diameter to 6.15mm, resulting in the Hirei® Kai....

The ultimate inner barrel that delivers performance that satisfies SPARK custom engineers. "Hirei®" is a high-quality, ultra-precise inner barrel made entirely in Japan, developed with the cutting-edge metalworking techniques of...

A special push rubber for long-range customization, invented by SPARK, that uses a completely new method to apply a powerful hop to BB bullets! Its shape is like stroking a...

Developed with feedback from top shooter Mac Sakai's CAT race gun, This is an ultra-lightweight CNC gearbox shell exclusively for CAT/electronic trigger customization. Made of ultra-super duralumin A7075, it weighs...

High-quality tappet plate springs made in Japan, a set of two perfect for repairs and customizations. It has both moderate flexibility and durability, and has the same feel as Tokyo...

High quality Japanese made tappet plate spring, a heavy duty type ideal for high cycle tuning. It has a strong force that returns the tappet, making it effective when you...

Set of two trigger springs with the same rate as the genuine Marui parts. If the trigger pull is too heavy on an overseas-made electric gun, you can adjust the...

High quality springs made in Japan! By replacing the original trigger spring, the trigger pull becomes significantly lighter. [Product contents]・HAIR TRIGGER SPRING LV.1 [SOFT] DIA0.7mm 1 piece ・HAIR TRIGGER SPRING...

The "DELTA" series is a "high cost performance model" that uses custom-made high-precision carbon steel that has been well-received in the RAVEN01+ barrel, maintaining precision close to that of a...

The "DELTA" series is a "high cost performance model" that uses custom-made high-precision carbon steel that has been well-received in the RAVEN01+ barrel, maintaining precision close to that of a...

! ! Note! ! This product is exclusively for AEG (electric gun) and PDI VSR chambers. Cannot be used with Tokyo Marui chambers such as VSR and L96. Please be...

The "DELTA" series is a "high cost performance model" that uses custom-made high-precision carbon steel that has been well-received in the RAVEN01+ barrel, maintaining precision close to that of a...

The "DELTA" series is a "high cost performance model" that uses custom-made high-precision carbon steel that has been well-received in the RAVEN01+ barrel, maintaining precision close to that of a...

The "DELTA" series is a "high cost performance model" that uses custom-made high-precision carbon steel that has been well-received in the RAVEN01+ barrel, maintaining precision close to that of a...

The "DELTA" series is a "high cost performance model" that uses custom-made high-precision carbon steel that has been well-received in the RAVEN01+ barrel, maintaining precision close to that of a...

The "DELTA" series is a "high cost performance model" that uses custom-made high-precision carbon steel that has been well-received in the RAVEN01+ barrel, maintaining precision close to that of a...

The "DELTA" series is a "high cost performance model" that uses custom-made high-precision carbon steel, which has been well-received in the RAVEN01+ barrel, and maintains precision close to that of...

The "DELTA" series is a "high cost performance model" that uses custom-made high-precision carbon steel, which has been well-received in the RAVEN01+ barrel, and maintains precision close to that of...

! ! Note! ! This product is exclusively for AEG (electric gun) and PDI VSR chambers. Cannot be used with Tokyo Marui chambers such as VSR and L96. Please be...

The "DELTA" series is a "high cost performance model" that uses custom-made high-precision carbon steel, which has been well-received in the RAVEN01+ barrel, and maintains precision close to that of...

The "DELTA" series is a "high cost performance model" that uses custom-made high-precision carbon steel that has been well-received in the RAVEN01+ barrel, maintaining precision close to that of a...

The "DELTA" series is a "high cost performance model" that uses custom-made high-precision carbon steel, which has been well-received in the RAVEN01+ barrel, and maintains precision close to that of...

The "DELTA" series is a "high cost performance model" that uses custom-made high-precision carbon steel, which has been well-received in the RAVEN01+ barrel, and maintains precision close to that of...