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From £16.99
  • Double O-Ring
  • Aircraft Aluminium
  • Concave Intake

A series of Aluminium Alloy constructed Cylinder Heads for a range of Airsoft Electric Guns, produced with double o-ring sealing for improve air seal and accurately CNC produced for an accurate and reliable build.

£49.99
  • For M4/AR15 AEG
  • Provides increased air volume for long barrelled builds
  • Includes cylinder, cylinder head, piston head and O-ring

If you are building a long barrelled M4/AR15 AEG, such as and M16, SPR or DMR type rifle, this will prove useful! Introducing the Bore-up cylinder set from Guarder, an enhanced cylinder, cylinder head and piston head intended for M4/AR15 AEGs. Bore up cylinders provide additional air volume to guarantee no performance drop off with longer barrels, and prevent the "suck back" phenomenon from occurring.

£64.99
  • Complete Set
  • Aluminium Cylinder
  • For Many Types Of AEG

A complete upgrade Cylinder set for AEGs which includes: Cylinder, Piston, Cylinder Head, Piston head and Nozzle. Improve your air seal and shot for shot efficiency today for improved range and accuracy.

£64.99
  • Complete Set
  • Aluminium Cylinder
  • For Many Types Of AEG

A complete upgrade Cylinder set for AEGs which includes: Cylinder, Piston, Cylinder Head, Piston head and Nozzle. Improve your air seal and shot for shot efficiency today for improved range and accuracy.

£64.99
  • Complete Set
  • Aluminium Cylinder
  • For Many Types Of AEG

A complete upgrade Cylinder set for AEGs which includes: Cylinder, Piston, Cylinder Head, Piston head and Nozzle. Improve your air seal and shot for shot efficiency today for improved range and accuracy.

£64.99
  • Complete Set
  • Aluminium Cylinder
  • For Many Types Of AEG

A complete upgrade Cylinder set for AEGs which includes: Cylinder, Piston, Cylinder Head, Piston head and Nozzle. Improve your air seal and shot for shot efficiency today for improved range and accuracy.

£69.99
  • Complete Set
  • Aluminium Cylinder
  • For Many Types Of AEG

A complete upgrade Cylinder set for AEGs which includes: Cylinder, Piston, Cylinder Head, Piston head and Nozzle. Improve your air seal and shot for shot efficiency today for improved range and accuracy.

£69.99
  • Complete Set
  • Aluminium Cylinder
  • For Many Types Of AEG

A complete upgrade Cylinder set for AEGs which includes: Cylinder, Piston, Cylinder Head, Piston head and Nozzle. Improve your air seal and shot for shot efficiency today for improved range and accuracy.

£69.99
  • Complete Set
  • Aluminium Cylinder
  • For Many Types Of AEG

A complete upgrade Cylinder set for AEGs which includes: Cylinder, Piston, Cylinder Head, Piston head and Nozzle. Improve your air seal and shot for shot efficiency today for improved range and accuracy.

£69.99
  • Complete Set
  • Aluminium Cylinder
  • For Many Types Of AEG

A complete upgrade Cylinder set for AEGs which includes: Cylinder, Piston, Cylinder Head, Piston head and Nozzle. Improve your air seal and shot for shot efficiency today for improved range and accuracy.

£69.99
  • Complete Set
  • Aluminium Cylinder
  • For Many Types Of AEG

A complete upgrade Cylinder set for AEGs which includes: Cylinder, Piston, Cylinder Head, Piston head and Nozzle. Improve your air seal and shot for shot efficiency today for improved range and accuracy.

£69.99
  • Complete Set
  • For SP120+ Springs
  • Electrolysed Plating

A complete Cylinder Set for M16A1/VN series electric replicas, which is to be used with an SP120 spring or higher.

£109.99
  • Full gearbox tune-up kit
  • For AK47/74 AEG with Version.3 gearbox
  • M120 spring provided

The Guarder tune-up kit is intended for those building a gearbox from scratch, or those who want a smoother running gearbox in their AK47/74 AEG. The set includes an M120 main spring, bearing spring guide, polycarbonate piston, vented piston head, shims, 6mm steel bushings, air seal nozzle, enhanced tappet plate, steel gears, chromium-plated cylinder and stainless steel cylinder head. No longer do you have to mess around figuring out which parts work best with others, just throw this kit inside your gearbox and save yourself the compatibility worries!

£10.99
  • Anodized Blue
  • Double O-Ring Air Seals
  • Damper For Extra Quietness

The ultimate cylinder head delivers excellent results with several O-rings and a cushioned front to provide a perfect air seal in all Version 2 gearboxes.

£23.99
  • Upgrade Cylinder Head
  • 6061 Aluminium Construction
  • Double O-Ring & Smoothed Edges

Master Mods are a new Internal Parts manufacturer bringing a whole new meaning to the term reliable. The Master Mods Cylinder head is a reinforced, extremely durable upgrade Cylinder head designed for V2 & V3 gearboxes. 

£39.99
  • Steel Teeth
  • Improve AoE
  • Lengthened Head

A Piston and Cylinder Head set for V2 Gearboxes which work together to improve Angle of Engagement over stock parts.

£59.99
  • For M4/AR15 AEG
  • Enhanced parts to improve compression
  • Cylinder, cylinder head, piston and piston head

If you are building a gearbox, or you want to get the best possible compression and efficiency from your M4/AR15 AEG this set will be of interest! The Guarder cylinder enhancement set for M4/AR15 AEG series includes a stainless steel cylinder head, chromium-plated brass cylinder, aluminium vented piston head and polycarbonate piston, and is compatible with any M4/AR15 AEG using a version 2 AEG gearbox.

£109.99
  • Full gearbox tune-up kit
  • For M4/AR15 AEG with Version.2 gearbox
  • M120 spring provided

The Guarder tune-up kit is intended for those building a gearbox from scratch, or those who want a smoother running gearbox in their M4/AR15 AEG. The set includes an M120 main spring, bearing spring guide, polycarbonate piston, vented piston head, shims, 6mm steel bushings, air seal nozzle, enhanced tappet plate, steel gears, chromium-plated cylinder and stainless steel cylinder head. No longer do you have to mess around figuring out which parts work best with others, just throw this kit inside your gearbox and save yourself the compatibility worries!

About Our Airsoft Cylinder Heads

Our airsoft cylinder heads get your AEG running at peak performance. Only ever stocking the top-name brands, shop ASG and more at Patrol Base.

The cylinder head is one of the foremost components inside your airsoft cylinder, and sits between the piston and air nozzle to provide a good air-seal between the walls of the cylinder. 

A sudden and seemingly unexplainable loss of output FPS can usually be explained by a poor air-seal, and the cylinder head component is a good place to start your investigation. The air nozzle should be able to freely move on the end of the cylinder head, and there should be a good seal between the edges of the cylinder head and cylinder. 

Different cylinder heads have different degrees of effectiveness, and generally a double o-ring is the go-to choice. Make sure, too, to purchase the correct cylinder head for your gearbox.

Shop airsoft cylinder heads online today. Looking to fully modify your electric airsoft gun? Our broad range of AEG internal parts is a great place to start.