Full Teeth POM Piston suitable for gearbox in all types (except PSG-1 and FA-MAS).  

POM Piston for TM AEG Series Full Teeth (3pcs Bulk Pack).

Half Teeth POM Piston suitable for gearbox in all types (except PSG-1 and FA-MAS).

Half Teeth POM Piston suitable for all gearboxes (except PSG-1 and FA-MAS). 3 pieces bulk pack.

This piston is made from high quality POM with 7 metal teeth on it to provide additional durability and reinforcements. Suitable for all gearboxes (except PSG-1 and FA-MAS).

This piston is made from high quality POM with 7 metal teeth on it to provide additional durability and reinforcements. Suitable for all gearboxes (except PSG-1 and FA-MAS). 3 pieces bulk pack.

This piston is made from Nylon Fiber with full metal teeth to provide additional durability and reinforcements. Suitable for Marui Electric Blowback M4A1; M4 CQB-R; SOPMOD M4; AKS74N; AKS74U; AK74MN & AK102.

This piston is made from Nylon Fiber with full metal teeth on it to provide additional durability and reinforcements. Suitable for Marui Electric Blowback M4A1; M4 CQB-R; SOPMOD M4; AKS74N; AKS74U; AK74MN & AK102. 3 pieces bulk pack.

Selector Plate for MP5 Ver.2 Gear Box. -Suitable for 6mm & 7mm Gear Box -Coated Copper Conductor -Anti-Heat -Anti-Wearing -Hard Selector Plate

Selector Plate for MP5 Ver.2 Gear Box. 3 pieces bulk pack. -Suitable for 6mm & 7mm Gear Box -Coated Copper Conductor -Anti-Heat -Anti-Wearing -Hard Selector Plate

Selector Plate for AK Ver.3 Gear Box. -Suitable for 6mm & 7mm Gear Box -Coated Copper Conductor -Anti-Heat -Anti-Wearing -Hard Selector Plate

Selector Plate for AK Ver.3 Gear Box. 3 pieces bulk pack. -Suitable for 6mm & 7mm Gear Box -Coated Copper Conductor -Anti-Heat -Anti-Wearing -Hard Selector Plate

Selector Plate for G36 Ver.3 Gear Box. -Suitable for 6mm & 7mm Gear Box -Coated Copper Conductor -Anti-Heat -Anti-Wearing -Hard Selector Plate

Selector Plate for G36 Ver.3 Gear Box. 3 pieces bulk pack. -Suitable for 6mm & 7mm Gear Box -Coated Copper Conductor -Anti-Heat -Anti-Wearing -Hard Selector Plate

Selector Plate for G3 Ver.2 Gear Box. -Suitable for 6mm & 7mm Gear Box -Coated Copper Conductor -Anti-Heat -Anti-Wearing -Hard Selector Plate

Selector Plate for G3 Ver.2 Gear Box. 3 pieces bulk pack. -Suitable for 6mm & 7mm Gear Box -Coated Copper Conductor -Anti-Heat -Anti-Wearing -Hard Selector Plate

Selector Plate for M4/M16 Ver.2 Gear Box. -Suitable for 6mm & 7mm Gear Box -Coated Copper Conductor -Anti-Heat -Anti-Wearing -Hard Selector Plate

Selector Plate for M4/M16 Ver.2 Gear Box. 3 pieces bulk pack. -Suitable for 6mm & 7mm Gear Box -Coated Copper Conductor -Anti-Heat -Anti-Wearing -Hard Selector Plate

Tappet Plate for Ver.2 Gearbox High performance and Durable

Tappet Plate for Ver.2 Gearbox High performance and Durable 3 pieces bulk pack

Tappet Plate for KA M3 Ver.6 Gearbox High performance and Durable

Tappet Plate for KA M3 Ver.6 Gearbox High performance and Durable 3 pieces bulk pack

Tappet Plate for G36 Gearbox High performance and Durable 3 pieces bulk pack

Tappet Plate for M14 Gearbox High performance and Durable Material: Plastic

Tappet Plate for M14 Gearbox High performance and Durable 3 pieces bulk pack

Tappet Plate for PSG-1 Gearbox High performance and Durable

Tappet Plate for PSG-1 Gearbox High performance and Durable 3 pieces bulk pack

All flat normal torque gears set. Package included bevel, spur, and sector gear. User should apply proper lubrication when installing the gears set. Suitable for version 2 & 3 gearbox.  

All helical normal torque gears set. Package included bevel, spur, and sector gear. User should apply proper lubrication when installing the gears set. Suitable for version 2 & 3 gearbox.

All flat ultra high speed gears set. Package included bevel, spur, and sector gear. User should apply proper lubrication when installing the gears set. Suitable for version 2 & 3 Marui gearbox only.

All flat high torque gears set. Package included bevel, spur, and sector gear. Suggest to use half teeth piston together with this gears set, might need to modify the gearbox when installing. User should apply proper lubrication when installing the gears set. Suitable for version 2 & 3 gearbox.

All helical high torque gears set. Package included bevel, spur, and sector gear. User should apply proper lubrication when installing the gears set. Suitable for version 2 & 3 gearbox.

All flat original KA gears set. Package included bevel, spur, and sector gear. User should apply proper lubrication when installing the gears set. Suitable for version 2 & 3 gearbox.

This light weight designed cylinder is recommended for AEG with 110-200 mm inner barrel.

This light weight designed cylinder is recommended for AEG with 201-250 mm inner barrel.

This light weight designed cylinder is recommended for AEG with 301-400 mm inner barrel.

This light weight designed cylinder is recommended for AEG with 251-300 mm inner barrel.

This light weight designed cylinder is recommended for AEG with 401-450 mm inner barrel.

This light weight designed cylinder is recommended for AEG with 451-550 mm inner barrel.

Metal Piston Head with bearing new version.

This metal cylinder head is suitable for Ver.II gearbox (M4/ G3/ MP5). It is CNC machined out of Aluminum, equipped with oil and friction resistant o-ring and buffer rubber to provide better air sealing and cushioning from the piston.

This metal cylinder head is suitable for Ver.III gearbox (AK/ SIG/ G36). It is CNC machined out of Aluminum, equipped with oil and friction resistant o-ring and buffer rubber to provide better air sealing and cushioning from the piston.

This metal cylinder head is suitable for AUG gearbox. It is CNC machined out of Aluminum, equipped with oil and friction resistant o-ring and buffer rubber to provide better air sealing and cushioning from the piston.

This metal cylinder head is suitable for Marui electric blowback M4 gearbox. It is CNC machined out of Aluminum, equipped with oil and friction resistant o-ring and buffer rubber to provide better air sealing and cushioning from the piston.

This metal cylinder head is suitable for Ver.VI gearbox (P90/ M1A1). It is CNC machined out of Aluminum, equipped with oil and friction resistant o-ring and buffer rubber to provide better air sealing and cushioning from the piston.

This metal cylinder head is suitable for Ver.VII gearbox (M14). It is CNC machined out of Aluminum, equipped with oil and friction resistant o-ring and buffer rubber to provide better air sealing and cushioning from the piston.  

This POM nozzle has an inner o-ring design which helps to increase velocity and provides tighter sealing. It is also more durable than standard nozzle. Suitable for MP5 series AEG gearbox.

This POM nozzle has an inner o-ring design which helps to increase velocity and provides tighter sealing. It is also more durable than standard nozzle. Suitable for G3 series AEG gearbox.

Metal EG Spring Guide with bearing. Suitable for Ver.3 gearbox.

  Reinforced 6mm Oiless Metal Bushing Slot for storing lubricant Can accept high power shaf ---Suspended---

This POM nozzle has an inner o-ring design which helps to increase velocity and provides tighter sealing. It is also more durable than standard nozzle. Suitable for MP5K series AEG gearbox.

This POM nozzle has an inner o-ring design which helps to increase velocity and provides tighter sealing. It is also more durable than standard nozzle. Suitable for Marui SIG series AEG gearbox.

This POM nozzle has an inner o-ring design which helps to increase velocity and provides tighter sealing. It is also more durable than standard nozzle. Suitable for M1A1 series AEG gearbox.

This POM nozzle has an inner o-ring design which helps to increase velocity and provides tighter sealing. It is also more durable than standard nozzle. Suitable for AUG series AEG gearbox.

This POM nozzle has an inner o-ring design which helps to increase velocity and provides tighter sealing. It is also more durable than standard nozzle. Suitable for M4A1 / M16A2 series AEG gearbox.

---Suspended---

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Bearing Bushing 18 pieces bulk pack.

  Reinforced 7mm Oiless Metal Bushing Slot for storing lubricant Can accept high power shaft

7mm Oiless Metal Bushing 18 pieces bulk pack.

7mm bearing bushing.

7mm bearing bushing 18 pieces bulk pack.

8mm bearing bushing.

8mm bearing bushing 18 pieces bulk pack.

6mm Metal Bushing.

Metal Bushing 18 pieces bulk pack.

9mm Bearing Bushing.

9mm bearing bushing 18 pieces bulk pack.

Metal Anti-reversal Latch with spring included.

6 pieces of Metal Anti-reversal Latch with spring included.

Reinforced Steel Stopperrail for Ver 3 gearbox.

Reinforced Steel Stopperrail for Ver 3 gearbox. Package includes 3 pieces of Steel Stopperrail.

Reinforced Steel Stopperrail for AUG gearbox.

Reinforced Steel Stopperrail for AUG gearbox. Package includes 3 pieces of Steel Stopperrail.

Reinforced Steel Stopperrail for PSG-1 gearbox.

Reinforced Steel Stopperrail for PSG-1 gearbox. Package includes 3 pieces of Steel Stopperrail.

King Arms Ver.3 6mm bare gear box for AK series

King Arms Ver.3 7mm gear box with bearings and selector plate for AK series

King Arms Ver.3 7mm gear box with bearings and selector plate for G36 series

King Arms Ver.2 6mm bare gear box for M4/MP5/G3 series

King Arms Ver.2 7mm gear box with bearings and selector plate for M16 series

King Arms Ver.2 7mm gear box with bearings and selector plate for MP5 series

King Arms Ver.2 7mm gear box with bearings and selector plate for G3 series.  

King Arms Ver.2 8mm gear box with bearings and selector plate for M16 series  

King Arms Ver.2 8mm gear box with bearings and selector plate for MP5 series

King Arms Ver.2 8mm gear box with bearings and selector plate for G3 series.

King Arms Ver.3 8mm bare gear box for AK/G36 series.

King Arms Ver.3 8mm gear box with bearings and selector plate for AK series

King Arms Ver.3 8mm gear box with bearings and selector plate for G36 series

King Arms Ver.2 8mm bare gear box for M4/MP5/G3 series.

King Arms Ver.2 7mm bare gear box for M4/MP5/G3 series.

King Arms Ver.3 7mm bare gear box for AK/G36 series.

King Arms Ver.2 9mm bare gear box for M4/MP5/G3 series.

King Arms Ver.2 9mm gear box. Package comes with 9mm bearing bushings and M16

King Arms Ver.2 9mm gear box. Package comes with 9mm bearing bushings and MP5 selector plate.

King Arms Ver.2 9mm gear box. Package comes with 9mm bearing bushings and G3 selector plate.  

King Arms Ver.3 9mm bare gear box for AK/G36 series.

King Arms Ver.3 9mm gear box. Package comes with 9mm bearing bushings and AK selector plate.

King Arms Ver.3 9mm gear box. Package comes with 9mm bearing bushings and G36 selector plate.

This King Arms Version II Complete Gearbox is front wiring and designed for M4 / M16 AEG. All King Arms complete gearbox are tested by our techenian and it is ready to be installed to your AEG directly. It equipped with 9mm bearings, silver cords, M4 selector plate and M120 spring. ---Suspended---

This King Arms Version II Complete Gearbox is front wiring and designed for M4 / M16 AEG. All King Arms complete gearbox are tested by our techenian and it is ready to be installed to your AEG directly. It equipped with 9mm bearings, silver cords, M4 selector plate and M135 spring.

This King Arms Version II Complete Gearbox is front wiring and designed for M4 / M16 AEG. All King Arms complete gearbox are tested by our techenian and it is ready to be installed to your AEG directly. It equipped with 9mm bearings, silver cords, M4 selector plate and M150 spring.

This King Arms Version II Complete Gearbox is front wiring and designed for M4 / M16 AEG. All King Arms complete gearbox are tested by our techenian and it is ready to be installed to your AEG directly. It equipped with 9mm bearings, silver cords, M4 selector plate and M190 spring.

This King Arms Version II Complete Gearbox is rear wiring and designed for M4 / M16 AEG. All King Arms complete gearbox are tested by our techenian and it is ready to be installed to your AEG directly. It equipped with 9mm bearings, silver cords, M4 selector plate and M120 spring. ---Suspended---

This King Arms Version II Complete Gearbox is rear wiring and designed for M4 / M16 AEG. All King Arms complete gearbox are tested by our techenian and it is ready to be installed to your AEG directly. It equipped with 9mm bearings, silver cords, M4 selector plate and M135 spring. ---Suspended---

This King Arms Version II Complete Gearbox is rear wiring and designed for M4 / M16 AEG. All King Arms complete gearbox are tested by our techenian and it is ready to be installed to your AEG directly. It equipped with 9mm bearings, silver cords, M4 selector plate and M150 spring. ---Suspended---

This King Arms Version II Complete Gearbox is rear wiring and designed for M4 / M16 AEG. All King Arms complete gearbox are tested by our techenian and it is ready to be installed to your AEG directly. It equipped with 9mm bearings, silver cords, M4 selector plate and M190 spring. ---Suspended---

This King Arms Version II Complete Gearbox is rear wiring and designed for M16A2 AEG. All King Arms complete gearbox are tested by our techenian and it is ready to be installed to your AEG directly. It equipped with 9mm bearings, silver cords, M4 selector plate and M120 spring. ---Suspended---

This King Arms Version II Complete Gearbox is rear wiring and designed for M16A2 AEG. All King Arms complete gearbox are tested by our techenian and it is ready to be installed to your AEG directly. It equipped with 9mm bearings, silver cords, M4 selector plate and M135 spring. ---Suspended---

This King Arms Version II Complete Gearbox is rear wiring and designed for M16A2 AEG. All King Arms complete gearbox are tested by our techenian and it is ready to be installed to your AEG directly. It equipped with 9mm bearings, silver cords, M4 selector plate and M150 spring. ---Suspended---

This King Arms Version II Complete Gearbox is rear wiring and designed for M16A2 AEG. All King Arms complete gearbox are tested by our techenian and it is ready to be installed to your AEG directly. It equipped with 9mm bearings, silver cords, M4 selector plate and M190 spring. ---Suspended---

This King Arms Version III Complete Gearbox is front wiring and designed for AK Series AEG. All King Arms complete gearbox are tested by our techenian and it is ready to be installed to your AEG directly. It equipped with 9mm bearings, silver cords, AK selector plate and M120 spring.

This King Arms Version III Complete Gearbox is front wiring and designed for AK Series AEG. All King Arms complete gearbox are tested by our techenian and it is ready to be installed to your AEG directly. It equipped with 9mm bearings, silver cords, AK selector plate and M120 spring.

This King Arms Version III Complete Gearbox is front wiring and designed for AK Series AEG. All King Arms complete gearbox are tested by our techenian and it is ready to be installed to your AEG directly. It equipped with 9mm bearings, silver cords, AK selector plate and M190 spring.

This King Arms Version III Complete Gearbox is rear wiring and designed for AK Series AEG. All King Arms complete gearbox are tested by our techenian and it is ready to be installed to your AEG directly. It equipped with 9mm bearings, silver cords, AK selector plate and M120 spring.

This King Arms Version III Complete Gearbox is rear wiring and designed for AK Series AEG. All King Arms complete gearbox are tested by our techenian and it is ready to be installed to your AEG directly. It equipped with 9mm bearings, silver cords, AK selector plate and M135 spring.

This King Arms Version III Complete Gearbox is rear wiring and designed for AK Series AEG. All King Arms complete gearbox are tested by our techenian and it is ready to be installed to your AEG directly. It equipped with 9mm bearings, silver cords, AK selector plate and M190 spring.

This POM cylinder head is suitable for Ver.II gearbox (M4/ G3/ MP5). It is equipped with oil and friction resistant o-ring and buffer rubber to provide better air sealing and cushioning from the piston.

This POM cylinder head is suitable for Ver.III gearbox (AK/ SIG/ G36). It is equipped with oil and friction resistant o-ring and buffer rubber to provide better air sealing and cushioning from the piston.

POM Piston for TM AEG Series Full Teeth

POM Piston for TM AEG Series Half Teeth

Selector Plate for MP5 Ver.2 Gear Box 

Tappet Plate for Ver.2 Gearbox

Tappet Plate for G36 Gearbox

Tappet Plate for M14 Gearbox

Reinforced Piston (Full Metal Teeth) with High Quality POM, Metal Material. Durability and reinforcements  Suitable for all type of Gear Box (except PSG-1 and FA-MAS)

Reinforced Piston (Full Metal Teeth) with High Quality POM, Metal Material. Durability and reinforcements Suitable for all type of Gear Box (except PSG-1 and FA-MAS)

POM Piston for TM AEG Series Full Teeth

POM Piston for TM AEG Series Half Teeth

POM Hard Piston (Full Teeth)

Tappet Plate for KA M3 Ver.6 Gearbox -OR (3 Pcs Bulk Pack)

King Arms Steel Bearing Spring Guide for Quick Spring Change V2 Gearbox 

King Arms Ver. 2 8mm Bearing Quick Spring Change Gearbox. Package comes with 8mm bearing bushing and Metal Spring Guide  (KA-PT-17).

HQA Steel Super High Speed Gear Set CNC steel alloy high torque flat gear set, it can provide higher torque to accept higher power spring. Its high strength to protect gear not to be deformed and worn-out. It has capability to use of higher voltage battery.   The CNC one piece axis design to improve gears’ concentricity, durability and the avoiding of axis slipping. User should apply proper lubrication when installing the gears set, suitable for version 2 / 3 AEG gearbox. Package included bevel gear, spur gear, and sector gear. Modify of the gearbox needs certain techniques. Consult your airsoft expert if you are not sure.

HQA Steel High Speed Gear Set CNC steel alloy high speed flat gear set, it can provide higher rate of fire. Its high strength to protect gear not to be deformed and worn-out. It has capability to use of higher voltage battery. The CNC one piece axis design to improve gears’ concentricity, durability and the avoiding of axis slipping. User should apply proper lubrication when installing the gears set, suitable for version 2 / 3 AEG gearbox. Package included bevel gear, spur gear, and sector gear. Modify of the gearbox needs certain techniques. Consult your airsoft expert if you are not sure.

HQA Steel Normal Torque Gear Set CNC steel alloy normal torque flat gear set, Its high strength to protect gear not be deformed and worn-out. It has capability to use of higher voltage battery. It can provide standard torque and rate of fire. The CNC one piece axis design to improve gears’ concentricity, durability and the avoiding of axis slipping. User should apply proper lubrication when installing the gears set, suitable for version 2 / 3 AEG gearbox. Package included bevel gear, spur gear, and sector gear. Modify of the gearbox needs certain techniques. Consult your airsoft expert if you are not sure.

HQA Steel Ultra High Torque Gear Set CNC steel alloy high torque flat gear set, it can provide higher torque to accept higher power spring. Its high strength to protect gear not to be deformed and worn-out.  It has capability to use of higher voltage battery. The CNC one piece axis design to improve gears’ concentricity, durability and the avoiding of axis slipping. User should apply proper lubrication when installing the gears set, suitable for version 2 / 3 AEG gearbox. Package included bevel gear, spur gear, and sector gear. Modify of the gearbox needs certain techniques. Consult your airsoft expert if you are not sure.  

Metal Piston Head with bearing new version.

CNC POM Light Weight Bearing Piston Head for AEG

HQA Steel High Torque Helical Gear Set CNC steel alloy high torque helical gear set, it can provide higher torque to accept higher power spring. Its high strength to protect gear not to be deformed and worn-out. It has capability to use of higher voltage battery.  Helical teethes can reduce electricity consumption & noise. The CNC one piece axis design to improve gears’ concentricity, durability and the avoiding of axis slipping. User should apply proper lubrication when installing the gears set, suitable for version 2 / 3 AEG gearbox. Package included bevel gear, helical gear, and sector gear. Modify of the gearbox needs certain techniques. Consult your airsoft expert if you are not sure.

HQA Steel Super High Torque Helical Gear Set CNC steel alloy high torque helical gear set, it can provide higher torque to accept higher power spring. Its high strength to protect gear not to be deformed and worn-out. It has capability to use of higher voltage battery.  Helical teethes can reduce electricity consumption & noise. The CNC one piece axis design to improve gears’ concentricity, durability and the avoiding of axis slipping. User should apply proper lubrication when installing the gears set, suitable for version 2 / 3 AEG gearbox. Package included bevel gear, helical gear, and sector gear. Modify of the gearbox needs certain techniques. Consult your airsoft expert if you are not sure.

Reinforced Ver. 2 8mm Bearing Quick Spring Change Gearbox Reinforced King Arms Ver. 2 8mm Bearing Quick Spring Change Gearbox. Package comes with 8mm bearing bushing and Steel Bearing Spring Guide(KA-PT-16) .

Reinforced Ver. 2 Rear-Wiring Quick Spring Change Gearbox for M4 Series - M125 The King Arms Reinforced Ver.2 Complete Gearbox is rear wiring and designed for M4 / M16 AEG. All King Arms reinforced complete gearbox series have been tested by our technicians and are ready to be installed directly into your AEG. It equipped with 8mm bearings, silver power cords with MOSFET, M4 selector plate ,M125 spring, Reinforced Full Metal Teeth Piston(KA-PT-15),18:1 HQA Steel Normal Torque Gear Set(KA-02-10), Steel Bearing Spring Guide(KA-PT-16), T-plug power connecter.

Reinforced Ver. 2 Rear-Wiring Quick Spring Change Gearbox for M4 Series - M135 The King Arms Reinforced Ver.2 Complete Gearbox is rear wiring and designed for M4 / M16 AEG. All King Arms reinforced complete gearbox series have been tested by our technicians and are ready to be installed directly into your AEG. It equipped with 8mm bearings, silver power cords with MOSFET, M4 selector plate ,M135 spring, Reinforced Full Metal Teeth Piston(KA-PT-15),18:1 HQA Steel Normal Torque Gear Set(KA-02-10), Steel Bearing Spring Guide(KA-PT-16), T-plug power connecter.

Reinforced Ver. 2 Rear-Wiring Quick Spring Change Gearbox for M4 Series - M150 The King Arms Reinforced Ver.2 Complete Gearbox is rear wiring and designed for M4 / M16 AEG. All King Arms reinforced complete gearbox series have been tested by our technicians and are ready to be installed directly into your AEG. It equipped with 8mm bearings, silver power cords with MOSFET, M4 selector plate ,M150 spring, Reinforced Full Metal Teeth Piston(KA-PT-15),18:1 HQA Steel Normal Torque Gear Set(KA-02-10), Steel Bearing Spring Guide(KA-PT-16), T-plug power connecter.

Reinforced Ver. 2 Rear-Wiring Quick Spring Change Gearbox for M4 Series - M190 The King Arms Reinforced Ver.2 Complete Gearbox is rear wiring and designed for M4 / M16 AEG. All King Arms reinforced complete gearbox series have been tested by our technicians and are ready to be installed directly into your AEG. It equipped with 8mm bearings, silver power cords with MOSFET, M4 selector plate ,M190 spring, Reinforced Full Metal Teeth Piston(KA-PT-15),18:1 HQA Steel Normal Torque Gear Set(KA-02-10), Steel Bearing Spring Guide(KA-PT-16), T-plug power connecter.

Ver. 2 Rear-Wiring Quick Spring Change Golden Gearbox for M4 Series - M125 The King Arms Version II Quick Spring Change Gearbox is rear-wired and designed for M4/M16 AEGs, with a golden shell that provides the gun with a luxurious style . The power circle comes with a reliable MOSFET gives accuracy triggering.All King Arms complete gearbox are tested by our techenian and it is ready to be installed to your AEG directly. It equipped with 8mm bearings,metal spring guide, black cords, M4 selector plate and M125 spring.

Ver. 2 Rear-Wiring Quick Spring Change Golden Gearbox for M4 Series - M135 The King Arms Version II Quick Spring Change Gearbox is rear-wired and designed for M4/M16 AEGs, with a golden shell that provides the gun with a luxurious style . The power circle comes with a reliable MOSFET gives accuracy triggering.All King Arms complete gearbox are tested by our techenian and it is ready to be installed to your AEG directly. It equipped with 8mm bearings,metal spring guide, black cords, M4 selector plate and M135 spring.

Ver. 2 Rear-Wiring Quick Spring Change Golden Gearbox for M4 Series - M150 The King Arms Version II Quick Spring Change Gearbox is rear-wired and designed for M4/M16 AEGs, with a golden shell that provides the gun with a luxurious style . The power circle comes with a reliable MOSFET gives accuracy triggering.All King Arms complete gearbox are tested by our techenian and it is ready to be installed to your AEG directly. It equipped with 8mm bearings,metal spring guide, black cords, M4 selector plate and M150 spring.

Ver. 2 Rear-Wiring Quick Spring Change Golden Gearbox for M4 Series - M190 The King Arms Version II Quick Spring Change Gearbox is rear-wired and designed for M4/M16 AEGs, with a golden shell that provides the gun with a luxurious style . The power circle comes with a reliable MOSFET gives accuracy triggering.All King Arms complete gearbox are tested by our techenian and it is ready to be installed to your AEG directly. It equipped with 8mm bearings,metal spring guide, black cords, M4 selector plate and M190 spring.

KA-PG-01-M-BK2-GAS-V2 Product Information： This Gas Airsoft Revolver is full metal construction by King Arms. The Gas powered airsoft pistol is using green gas as a propellant. It shoots hard and fast and is extremely life like. 1.Main assembly：  - Re-designed the internal gas flow mechanism to make the revolver’s outlook much more realistic.  - Whole revolver is constructed by metal, it gives a very concrete and rigid feels.  - 1:1 scale construction let the revolver more realistic.  - Upgraded with MIM steel trigger for more durability. 2.Outer & Inner Barrel：  - Rifled-alike barrel make the revolver more realistic.  - Smooth and precise brass internal barrel in 6.05mm inner diameter. Fixed hop-up inside makes the shooting trajectory constantly precise.   3.Grip：  - Ergonomic, wood textured grip offers the operator maximum comfort and control over the pistol.  - An eye-catching golden plate decorating the grip. 4.Cylinder：  - The cylinder is upgraded with MIM steel on the stopper & positioning rod for better durability.  - It can be opened easily in order to reload bullets quickly, just a flick to snap back it into the frame with a solid click.  - Bullets can be removed fast by pushing the bullets extractor rod. 5.Hammer：  - The upgraded sear with MIM steel material is more durable and improve the hammer when strike on the gas outlet valve.  - Compliable to operate under single-action. 6.Sights：  - The metal fixed front sight and adjustable rear sight helps shooter acquire the target quickly.  7.Safety：  - Easy to reach safety button lockup the hammer to avoid accidental fire while not ready to shoot.  8.Bullets and Loader：  - Heavy brass-like finishing shells plus CNC machined made bb retainers.  - Package comes with shell speed loaders for fast reloads, and 6 BB bullets shells. Others：  - Available in three difference barrel lengths for KA-PG-01 to meet your preference.