Custom Parts (1911)

This anti-reverse latch uses a coil spring instead of the conventional torsion spring. Two types of coil springs are included, weak and strong, so you can use them depending on...

Stainless steel gear shim. The size is inner diameter Φ4mm, outer diameter Φ8mm, thickness 0.1mm, and one package contains 20 pieces. It can be used with the company's CNC Gears...

This is a high-strength, thin bearing machined from 90MnCrV8 tool steel. The compatible gear shaft is Φ4mm, the bearing hole size is 8mm, and there are 6 pieces in one...

German-made flanged ball bearing. It is a slim type with an outer diameter of 8mm, an inner diameter of 3mm, and a thickness of 2.5mm. Compatible with various RETRO ARMS...

This part is installed between the sector gear shaft and the tappet pin. The tappet opening time can be extended. The material is POM. When gluing, use Cemedine PPX or...

The diameter of the shaft that goes into the gearbox is Φ9.4mm to Φ9.95mm in 0.05mm increments. There are a total of 12 different custom motor towers in the lineup....

RETRO ARMS CNC Gears PandoRA - Compatible with SR25 19 tooth RATIO 20:1 Special sector gear with adjustable tappet pins. A long piston with 19 teeth is required. It has...

RETRO ARMS CNC Gears PandoRA - Supports RATIO 20:1 Special sector gear with adjustable tappet pins. It has a structure that allows you to place the screw-in tappet pin at...

RETRO ARMS CNC Gears PandoRA - Supports RATIO 16:1 Special sector gear with adjustable tappet pins. It has a structure that allows you to place the screw-in tappet pin at...

RETRO ARMS CNC Gears PandoRA - RATIO 13:1 Short stroke or RETRO ARMS CNC Gears PandoRA - Special sector gear with variable tappet pins compatible with RATIO 13:1. It has...

RETRO ARMS CNC Gears PandoRA - RATIO 13:1 Short stroke or RETRO ARMS CNC Gears PandoRA - Special sector gear with variable tappet pins compatible with RATIO 13:1. This product...

RETRO ARMS CNC Gears PandoRA - RATIO 13:1 Short stroke or RETRO ARMS CNC Gears PandoRA - Special sector gear with variable tappet pins compatible with RATIO 13:1. This product...

RETRO ARMS CNC Gears PandoRA - RATIO 13:1 Short stroke or RETRO ARMS CNC Gears PandoRA - Special sector gear with variable tappet pins compatible with RATIO 13:1. This product...

RETRO ARMS CNC Gears PandoRA - Compatible with RATIO 10:1 (3mm) Special sector gear with adjustable tappet pins. This product has three pre-cut piston openings. It is a short stroke...

RETRO ARMS CNC Gears PandoRA - Compatible with RATIO 10:1 (3mm) Special sector gear with adjustable tappet pins. It has a structure that allows you to place the screw-in tappet...

This is a gear set for the RETRO ARMS V2 long gearbox (19 teeth). The gear ratio is 20:1 (20.8:1). A long piston with 19 teeth is required. No sintered...

This is a gear set for V2/V3 made by RETRO ARMS. The gear ratio is 20:1 (20.8:1). No sintered parts are used, all steel is machined and heat treated (around...

This is a gear set for V2/V3 made by RETRO ARMS. The gear ratio is 16:1 (17.28:1). No sintered parts are used, and all parts are made from machined steel...

This is a gear set for V2/V3 made by RETRO ARMS. The gear ratio is 13:1 (13.65:1). No sintered parts are used, and all parts are made from machined steel...

This is a gear set for V2/V3 made by RETRO ARMS. The shaft diameter is Φ3mm and the gear ratio is 13:1 (13.65:1). This product has four pre-cut piston openings....

This is a gear set for V2/V3 made by RETRO ARMS. The shaft diameter is Φ3mm and the gear ratio is 10:1 (10.36:1). No sintered parts are used, all steel...

RETRO ARMS V2/V3 gear set allows you to cock three times in one go. This is a triple sector gear (TSG) set. The sector gear has 5 teeth x 3,...

This is an air seal nozzle made from machined duralumin. There is an O-ring inside for airtightness. A general-purpose standard airtight O-ring (SS-055) is used, making repairs easy. The nozzle...

RETRO ARMS cylinder head, TM NGRS, Tokyo Marui Next Generation AR/M4 It has a special shape. It cannot be used with the V2 or V3 because the body shape is...