Custom Parts (3389)

Compliant with Tokyo Marui standard spring (outer diameter Φ15mm) for electric guns. This is a custom spring with an outer diameter of 14.5mm. It can be used for a wide...

Compatible with Tokyo Marui next generation electric gun standard springs (outer diameter Φ14mm) This is a custom spring with an outer diameter of Φ13.75mm. The company Piston 14.5 steel teeth...

The piston head is made by RETRO ARMS and the body is made of EN AW7075 with a rubber damper built in. When combined with the company's CNC Cylinder Head,...

RETRO ARMS piston head, Aluminum It is made of high strength A7075, but the weight of the piston head and O-ring is 6.8g. Including the thrust bearings and fixing screws,...

RETRO ARMS piston head, Aluminum It is made of high strength A7075, but the weight of the piston head and O-ring is 6.4g. Including the thrust bearings and fixing screws,...

RETRO ARMS piston head, POM is made of resin and the weight of the piston head + O-ring is 3.6g. It weighs just 8.7g including the thrust bearing and fixing...

This is a reinforced piston designed specifically for the company's TSG . The body is made of injection-molded fiber-reinforced nylon, and the rack gear is made of fully machined spring...

This is a reinforced piston specially designed for DSG. The rack gear has 9 teeth and is compatible with both 8T and 9TDSG. The body is made of injection-molded fiber-reinforced...

19T piston for various long gearboxes. The rack gear is made of spring steel (56SiCr7) and is fully machined and salt hardened. The second rack gear is fully cut from...

This is a high-strength piston that combines a nylon + fiber injection molded body with a rack gear made of spring steel (56SiCr7). Compatible with Φ15mm standard electric gun springs,...

Nylon + fiber injection molded body with spring steel (56SiCr7) rack gear This is a high-strength piston that combines Compatible with Φ15mm standard electric gun springs, The weight is 16.27g....

Nylon + fiber injection molded body with spring steel (56SiCr7) rack gear This is a high-strength piston that combines Compatible with Φ15mm standard electric gun springs, The weight is 16.97g....

This is a specially shaped hop-up packing for the company's CNC Hop Up Chamber AR15 ULTRA . The material is nitrile rubber and the hardness is Shore A 55. This...

Hop-up packing for standard AEG. Made of NBR (nitrile rubber). The lineup includes Shore A55 (soft) and Shore A70 (hard) in terms of hardness. ---------------------------------------------------------------------------------------------- It is a protrusion type...

Used for the company's CNC Hop-Up Chamber AR15 UNI It is a complete set of spare parts. Perfect for repairs or customization.

Used for RETRO ARMS hop-up chambers Collet nut for fixing the barrel. This is a part made specifically for RETRO ARMS chambers, with special threads on the inside. The barrel...

This is a set of cushion rubber hops made by RETRO ARMS. This set includes barrel-shaped and concave POM machined parts.

This is a set of cushion rubber hops made by RETRO ARMS. The non-hole side is made of silicone rubber and has a soft Shore hardness of 60 degrees. The...

Resin barrel clip. Can be used with various AK chambers.

Resin barrel clip. Can be used with various M4 chambers.

This is a standard electric AK chamber made from machined duralumin. It is the same slide lever adjustment type as the genuine product, By inserting an O-ring into the lever,...

This is a C-clip designed specifically for the company's CNC Hop Up Chamber AR15 ULTRA . For repairs and spare parts.

*Note* The maximum outer diameter of the part that goes into the outer barrel is Φ12.95mm. It fits most outer barrels, but It is 1mm thicker than the genuine Tokyo...

*Note* Since the shape is different from the UNI version before the minor change, it cannot be attached to the CNC Split Gearbox V2 with int. Hop Up Chamber UNI...