RETRO ARMS is a manufacturer based in the Czech Republic that makes custom parts for airsoft guns. They specialize in manufacturing high-quality, high-precision internal and external parts using CNC machining.
We offer products for advanced and custom-oriented riders that are lightweight and durable, using aircraft-grade duralumin.
Gearbox (Duralumin): This gearbox offers greater precision and durability than conventional die-cast gearboxes. It strengthens the heart of your electric gun. This popular product has a good reputation. Pistons (14.5-tooth full steel/nylon fiber): Designed for excellent durability even under high-cycle use.
Disassembly and assembly requires knowledge, but it allows for highly refined, high-quality customization.
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....
This tappet plate is made entirely by cutting from a block of POM (Duracon). Compared to injection molding using a mold, the nozzle holder and the main body are at...
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...
This is a resin selector plate for use with the Ver.2 radio box and AR15 series. Since there are no metal contacts, care must be taken when combining it with...
This is a high-strength, thin bearing machined from 90MnCrV8 tool steel. The compatible gear shaft is Φ3mm, and the bearing hole sizes are 6mm, 7mm, 8mm, and 9mm. One package...
Stainless steel shim set with an inner diameter of 3mm and an outer diameter of 6mm. The set contains 20 sheets each of thicknesses 0.5mm, 0.2mm, and 0.1mm, for a...
Based on the company's CNC Low Profile Bushing 8mm / 3mm This is a specially shaped 90MnCrV8 tool steel machined bearing with anti-rotation protrusions. One package contains 6 pieces. Compatible...
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 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...
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 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...
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...
Used for standard electric AR triggers It is a return spring. The pull is about twice as heavy as the genuine Tokyo Marui one. Trigger Pull Data Measuring equipment: Lyman...
This is a trigger safety lever that can be used with Tokyo Marui V2 standard gearboxes and RETRO ARMS V2 standard gearboxes. The shaft is machined from EN AW7075 T651,...
This product is made with a thorough understanding of the structure of electric guns, This is a product for advanced users that allows for detailed fine adjustments and fitting. This...
This product is made with a thorough understanding of the structure of electric guns, This is a product for advanced users that allows for detailed fine adjustments and fitting. This...
For standard AEG AR15, machined from a block of EN AW7075-T651 This is an end plate that is attached between the buffer tube and receiver. A standard QD attachment can...
The company's CNC receiver AR15 - C NEW GEN and CNC receiver AR15 (Skeletonized) - C NEW GEN This is a buffer tube assembly with a one-touch attachment/detachment mechanism that...
This is a dummy gas block that is compatible with a standard Φ19mm outer barrel. It is made from machined POM to reduce weight, weighing just 10.9g including the fixing...
RETRO ARMS has developed two revolutionary designs for the standard AEG AR15. This is a custom outer barrel. The front and rear bases are made of EN-AW7075-T651 machined and anodized....
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![[RETRO ARMS] CNC Double Bearing Motor Tower L](http://rock-et.jp/cdn/shop/files/retro-arms-cnc-double-bearing-motor-tower-l_respimgsize.jpg?v=1750645702)
![[RETRO ARMS] CNC Tappet Plate POM](http://rock-et.jp/cdn/shop/files/retro-arms-cnc-tappet-plate-pom_9_respimgsize.jpg?v=1750646531)
![[RETRO ARMS] Sector Delay Clip 3mm](http://rock-et.jp/cdn/shop/files/RETRO-6683_355c9954-94e9-48bf-90a9-edef0e151b61_respimgsize.jpg?v=1750647423)
![[RETRO ARMS] Selector Plate V2 (AR15)](http://rock-et.jp/cdn/shop/files/RETRO-6473_1_respimgsize.jpg?v=1750647556)
![[RETRO ARMS] CNC Low Profile Bushing 6mm, 7mm, 8mm, 9mm / 3mm](http://rock-et.jp/cdn/shop/files/retro-arms-cnc-low-profile-bushing-_-7-8-9-3_respimgsize.jpg?v=1750651605)
![[RETRO ARMS]INOX Shim set Φ3mm](http://rock-et.jp/cdn/shop/files/RETRO-7217_respimgsize.jpg?v=1750651838)
![[RETRO ARMS] CNC ANTIROT bushings 3mm (reproduction reservation, date to be determined)](http://rock-et.jp/cdn/shop/files/RETRO-6868_respimgsize.jpg?v=1750652271)
![[RETRO ARMS] Ball bearing 8mm/3mm](http://rock-et.jp/cdn/shop/files/RETRO-6389_respimgsize.png?v=1750652374)
![[RETRO ARMS] CNC Low Profile Bushing 8mm / 4mm](http://rock-et.jp/cdn/shop/files/RETRO-7405_respimgsize.jpg?v=1750652511)
![[RETRO ARMS]INOX Shim set 0.1mm - Φ4mm](http://rock-et.jp/cdn/shop/files/RETRO-7706_respimgsize.jpg?v=1750652672)
![[RETRO ARMS] Bearing tool](http://rock-et.jp/cdn/shop/files/RETRO-7208_respimgsize.jpg?v=1750652785)
![[RETRO ARMS] CNC Anti-Reversal COMPRING Latch for RA V2 gearbox](http://rock-et.jp/cdn/shop/files/RETRO-7207_respimgsize.jpg?v=1750652991)
![[RETRO ARMS] CNC Anti-Reversal COMPRING Latch for RA V3 gearbox](http://rock-et.jp/cdn/shop/files/RETRO-7209_respimgsize.jpg?v=1750653135)
![[RETRO ARMS] Anti Reversal Latch Spring](http://rock-et.jp/cdn/shop/files/RETRO-6544_respimgsize.jpg?v=1750653261)
![[RETRO ARMS] AR15 Trigger Spring](http://rock-et.jp/cdn/shop/files/RETRO-7065_respimgsize.jpg?v=1750653400)
![[RETRO ARMS] Tappet Plate Spring AR15 / AK](http://rock-et.jp/cdn/shop/files/RETRO-7540_respimgsize.jpg?v=1750653504)
![[RETRO ARMS]INOX Charging handle spring AR15](http://rock-et.jp/cdn/shop/files/RETRO-2547_respimgsize.jpg?v=1750653628)
![[RETRO ARMS] CNC Trigger Safety Lever V2 2025](http://rock-et.jp/cdn/shop/files/RETRO-9304_respimgsize.jpg?v=1750653732)
![[RETRO ARMS] CNC receiver AR15 - C NEW GEN](http://rock-et.jp/cdn/shop/files/RETRO-70144_11_respimgsize.jpg?v=1750654105)
![[RETRO ARMS] CNC receiver AR15 (Skeletonized) - C NEW GEN](http://rock-et.jp/cdn/shop/files/RETRO-7173_8_respimgsize.jpg?v=1750654397)
![[RETRO ARMS] CNC Endplate QD AR15 A](http://rock-et.jp/cdn/shop/files/RETRO-9348_respimgsize.png?v=1750654545)
![[RETRO ARMS] CNC Gas Block AR15](http://rock-et.jp/cdn/shop/files/RETRO-9345_3_respimgsize.png?v=1750662416)
![[RETRO ARMS] CNC 3K-carbon Outer Barrel AR15](http://rock-et.jp/cdn/shop/files/retro-arms-cnc-3k-carbon-outer-barrel-ar15_13_respimgsize.jpg?v=1750662931)
