Gearbox Shells

The VFC (Vega Force Company) type H gearbox shells are replacement parts for rebuilding the gearbox of compatible replicas. The gearbox shell houses the entire mechanism of the replica, and a strong shell is the foundation of any upgrade.

Features

• Type H gearbox shell

The Specna Arms version 3 gearbox shells are designed for G36 series electric rifles. They are made of zinc alloy, for 8 mm bushings. The gearbox shell houses the entire mechanism of the replica, and a strong shell is the foundation of any upgrade.

Features

• Version 3 gearbox
• Metal construction (zinc alloy)
• For 8 mm bushings
• Compatible with the Enter & Convert quick spring change system

The Snow Wolf metal gearbox shells are designed for Snow Wolf PPSh-41 series electric rifles and compatible models. The gearbox shell houses the entire mechanism of the replica, and a strong shell is the foundation of any upgrade.

Features

• Metal construction
• Compatible with Snow Wolf PPSh-41

Specifications

• Weight: 410 g

Package Contents

• Gearbox shell
• Screws not included

The Snow Wolf metal gearbox shells are designed for Snow Wolf Barrett M82A1 series electric rifles and compatible models. The gearbox shell houses the entire mechanism of the replica, and a strong shell is the foundation of any upgrade.

Features

• Metal construction
• Compatible with Snow Wolf Barrett M82A1

Specifications

• Weight: 350 g

The J.G. Works metal alloy gearbox shells are designed for J.G. Works M4 series electric rifles and compatible models. The gearbox shell houses the entire mechanism of the replica, and a strong shell is the foundation of any upgrade.

Features

• Metal alloy construction
• Compatible with J.G. Works M4 series and compatible models

Specifications

• Weight: 370 g

Package Contents

• Gearbox shell
• Screws not included

The Golden Eagle gearbox shells are designed for G36 series electric rifles and compatible models. The gearbox shell houses the entire mechanism of the replica, and a strong shell is the foundation of any upgrade.

Features

• Compatible with the G36 series and compatible models

The Gate EON V2 gearbox shells (silver version) are CNC-machined from aircraft-grade 7075 T6 aluminum with a tensile strength of 570 MPa and allow extreme tuning. They are the foundation of the Gate series of internal parts for professional use and noticeably extend the life of the replica.

Features

• Designed for Gate Titan and Aster ETU units and the EON series
• Extreme durability thanks to enlarged sections at critical points
• Inspection window for manual pre-cocking adjustment and piston check
• Quick spring change with simple tools (hex key or flat screwdriver)
• Window for precise bevel gear to pinion adjustment
• Easy shimming thanks to inspection windows for every gear
• Increased radii in the cylinder window for reduced stress
• No risk of damaging the wires under the pinion
• Easy visual AOE inspection and simple anti-reversal release
• Ready for 8 mm bearings
• Compatible with the Specna Arms ESA-2 quick spring change system, most standard V2 internal parts, most bodies on the market and VFC dual selectors
• Do not use cylinder heads with a rubber pad on the front – they can permanently damage the shells

Specifications

• Material: 7075 T6 aluminum
• Tensile strength: 570 MPa

Package Contents

• EON gearbox shell
• Screw set
• QSC spring guide
• Card with a code for a free one-level Titan or Aster firmware upgrade

The Gate EON V2 gearbox shells (titanium version) are CNC-machined from aircraft-grade 7075 T6 aluminum with a tensile strength of 570 MPa and allow extreme tuning. They are the foundation of the Gate series of internal parts for professional use and noticeably extend the life of the replica.

Features

• Designed for Gate Titan and Aster ETU units and the EON series
• Extreme durability thanks to enlarged sections at critical points
• Inspection window for manual pre-cocking adjustment and piston check
• Quick spring change with simple tools (hex key or flat screwdriver)
• Window for precise bevel gear to pinion adjustment
• Easy shimming thanks to inspection windows for every gear
• Increased radii in the cylinder window for reduced stress
• No risk of damaging the wires under the pinion
• Easy visual AOE inspection and simple anti-reversal release
• Ready for 8 mm bearings
• Compatible with the Specna Arms ESA-2 quick spring change system, most standard V2 internal parts, most bodies on the market and VFC dual selectors
• Do not use cylinder heads with a rubber pad on the front – they can permanently damage the shells

Specifications

• Material: 7075 T6 aluminum
• Tensile strength: 570 MPa

Package Contents

• EON gearbox shell
• Screw set
• QSC spring guide
• Card with a code for a free one-level Titan or Aster firmware upgrade

The G&G metal gearbox shells are designed for G&G rifles of the G2H series. Only the shells are supplied, without bearings. The gearbox shell houses the entire mechanism of the replica, and a strong shell is the foundation of any upgrade.

Features

• Metal construction
• Compatible with the G&G G2H series

Package Contents

• Gearbox shell
• Bearings not included

The G&G metal gearbox shells are designed for G&G rifles of the G2 series. Only the shells are supplied, without bearings. The gearbox shell houses the entire mechanism of the replica, and a strong shell is the foundation of any upgrade.

Features

• Metal construction
• Compatible with the G&G G2 series

Package Contents

• Gearbox shell
• Bearings not included

The D|Boys metal gearbox shells are designed for replicas with a version 2 gearbox (M4, M16, AR15, etc.) and feature a quick spring change system. The gearbox shell houses the entire mechanism of the replica, and a strong shell is the foundation of any upgrade.

Features

• Metal construction
• Quick change system for the spring guide
• Compatible with V2 gearboxes (M4, M16, AR15, etc.)

Specifications

• Weight: 270 g

Package Contents

• Gearbox shell
• 8 mm bushings/bearings

The Ares generation 1 gearbox shells are designed for Amoeba M4 electric rifles without E.F.C.S. The gearbox shell houses the entire mechanism of the replica, and a strong shell is the foundation of any upgrade.

Features

• Generation 1
• Compatible with Amoeba M4 without E.F.C.S.

The Ace of Spades gearbox shells are replacement parts for rebuilding or upgrading the gearbox. The gearbox shell houses the entire mechanism of the replica, and a strong shell is the foundation of any upgrade.

Features

• Gearbox shell

The reinforced Specna Arms V3 QD gearbox shell is designed for AK replicas and is adapted for 8 mm bushings and bearings. The most vulnerable points are reinforced, allowing the use of stronger springs.

The quick spring change system lets you adjust the power of the replica in seconds, without disassembling the entire gearbox. The shell uses the included micro switch instead of the classic contact plates, for better trigger response and longer Li-Po battery life.

Features

• Reinforced V3 shell for AK replicas
• For 8 mm bushings and bearings
• Quick spring change (QD) system
• Micro switch included
• Front wiring

The Specna Arms V2 gearbox shell is designed for Specna Arms replicas of the Core series. The gearbox shell houses the entire mechanism of the replica, and a strong shell is the foundation of any upgrade.

Features

• Version 2 gearbox
• Compatible with the Specna Arms Core series

The reinforced Specna Arms gearbox shell is designed for replicas with a V2 gearbox. It is made of zinc alloy and aluminum, lightweight and strong, with seats for 8 mm bearings.

It is adapted for the included micro switch instead of the classic contact plates, which improves trigger response and extends the life of Li-Po batteries.

Features

• Zinc alloy and aluminum
• For 8 mm bearings
• Micro switch included

The Specna Arms Aether V2 gearbox shell is the proprietary frame used in the Prime series, reinforced and protected by European patent no. 015044865-0001.

Features

• Anti-reversal release window
• Inspection windows for pre-cocking and AOE
• Reinforcements in the most stressed areas
• Inspection window for the motor pinion
• Trigger adjustment function
• Holes for shell alignment

Package Contents

• Aether V2 gearbox shell
• 8 mm J-Cage bearings (motor and piston gear)
• 8 mm sliding bushings (middle gear)

The Specna Arms Orion V3 gearbox shell is designed for Specna Arms AK Edge series electric rifles. The gearbox shell houses the entire mechanism of the replica, and a strong shell is the foundation of any upgrade.

Features

• Orion V3 gearbox
• Compatible with Specna Arms AK Edge

The RetroArms split gearbox shell is made of two parts (upper and lower), which makes assembling and adjusting the internal parts easier and faster. It is CNC-milled from AW 7075 T651 duralumin (590 MPa) and is designed for version 2 gearboxes (M4, M16, AR-15, etc.) to the Tokyo Marui standard.

Replacing internal parts, including the gearbox shell, should be carried out by a qualified technician.

Features

• Two-part split design
• CNC-milled 7075 T651 duralumin
• For 8 mm bushings/bearings
• Quick spring change system
• Not compatible with the MAXX cylinder head

Specifications

• Weight: 142 g

Package Contents

• Gearbox shell
• QSC spring guide
• Screws
• Bushings/bearings not included

The RetroArms gearbox shell is designed for SR25 replicas with a quick spring change system. It is CNC-machined from EN AW 7075 T651 aluminum (duralumin) with protective anodizing against corrosion, a material stronger than ordinary steel (590 MPa versus 390 MPa).

Features

• CNC-machined 7075 T651 aluminum, anodized
• For 8 mm bushings/bearings
• Quick spring change system

Specifications

• Weight: 170 g
• Color: black

Package Contents

• Gearbox shell
• Spring guide
• Mounting screws

The RetroArms gearbox shell is designed for M249 or PKM replicas with a quick spring change system. It is CNC-machined from EN AW 7075 T651 aluminum (duralumin) with protective anodizing against corrosion, a material stronger than ordinary steel (590 MPa versus 390 MPa).

Features

• CNC-machined 7075 T651 aluminum, anodized
• For 8 mm bushings/bearings
• Quick spring change system

Specifications

• Weight: 240 g
• Color: black

Package Contents

• Gearbox shell
• Mounting screws

The RetroArms gearbox shell is CNC-milled from AW 7075 T651 duralumin, lightweight yet extremely strong (590 MPa), and is designed exclusively for HPA rifles of the M4/M16 series (version 2).

Replacing internal parts, including the gearbox shell, should be carried out by a qualified technician.

Features

• CNC-milled 7075 T651 duralumin
• Quick spring change system
• For HPA M4/M16 (V2) rifles only
• Not compatible with the MAXX cylinder head

Specifications

• Weight: 135 g

Package Contents

• Gearbox shell
• QSC spring guide
• Screws

The RetroArms V2 gearbox shells are CNC-machined from steel and feature an integrated quick spring change (QSC) system. The gearbox shell houses the entire mechanism of the replica, and a strong shell is the foundation of any upgrade.

Features

• CNC-machined steel
• For 8 mm bearings/bushings
• Integrated QSC system

Specifications

• Weight: 363 g

Package Contents

• Gearbox shell
• Screws
• Spring guide
• Bearings/bushings not included

The RetroArms V3 gearbox shell is CNC-milled from AW 7075 T651 duralumin, lightweight yet extremely strong (590 MPa), for electric rifles with a version 3 gearbox (AK, etc.) to the Tokyo Marui standard.

Replacing internal parts, including the gearbox shell, should be carried out by a qualified technician.

Features

• CNC-milled 7075 T651 duralumin
• For 8 mm bushings/bearings
• Quick spring change system
• Not compatible with the MAXX cylinder head

Specifications

• Weight: 105 g (shells only)

Package Contents

• Gearbox shell
• QSC spring guide
• Screws
• Bushings/bearings not included

The RetroArms V2.2 gearbox shell is designed for HK417 replicas. It is CNC-machined from EN AW 7075 T651 aluminum (duralumin) with protective anodizing against corrosion, a material stronger than ordinary steel (590 MPa versus 390 MPa).

Features

• CNC-machined 7075 T651 aluminum, anodized
• For 8 mm bushings/bearings

Specifications

• Weight: 110 g
• Color: black

Package Contents

• Gearbox shell
• Spring guide
• Mounting screws

The RetroArms V2 gearbox shell is CNC-milled from AW 7075 T651 duralumin, lightweight yet extremely strong (590 MPa), for electric rifles with a version 2 gearbox (M4, M16, AR-15, etc.) to the Tokyo Marui standard.

Replacing internal parts, including the gearbox shell, should be carried out by a qualified technician.

Features

• CNC-milled 7075 T651 duralumin
• For 8 mm bushings/bearings
• Quick spring change system
• Not compatible with the MAXX cylinder head

Specifications

• Weight: 124 g (shells only)

Package Contents

• Gearbox shell
• QSC spring guide
• Screws
• Bushings/bearings not included

The RetroArms gearbox shells made of CNC-machined aluminum are designed for Tokyo Marui SOPMOD M4 NGRS replicas and are ETU compatible. The gearbox shell houses the entire mechanism of the replica, and a strong shell is the foundation of any upgrade.

Features

• CNC-machined aluminum
• For 8 mm bearings/bushings
• ETU compatible

Specifications

• Weight: 116 g

Package Contents

• Gearbox shell
• Screws
• Spring guide
• Bearings/bushings not included

The G&G generation 2, version II gearbox shell is designed for 8 mm bushings/bearings and is supplied as the shell only, with the tappet plate included. The gearbox shell houses the entire mechanism of the replica, and a strong shell is the foundation of any upgrade.

Features

• Generation 2, version II
• For 8 mm bearings

Package Contents

• Gearbox shell
• Tappet plate

The Amoeba generation II full metal gearbox is designed for Amoeba M4 series electric rifles, in the E.F.C.S. version only. The gearbox shell houses the entire mechanism of the replica, and a strong shell is the foundation of any upgrade.

Features

• Generation II
• Full metal construction
• Compatible with Amoeba M4 series, E.F.C.S. version only