GBBR Parts

A pack of three rocket valves for the inside of Tokyo Marui or Guns Modify V3 MWS loading nozzles. Produces approx. 0.95 joules at 18°C.

A single piece 14.5" outer barrel from Guns Modify. Suitable for the Marui M4 MWS GBBR series of rifles. High quality CNC Aluminium construction....

416A5 Style Ambidextrous Selector for the Tokyo Marui MWS Series Gas Airsoft Rifles. A great upgrade or replacement part. This selector is perfect...

Features an ergonomically designed shape and is a fully ambidextrous design at a conventional grip angle.  Features conventional M4 grip angle but...

Features an ergonomically designed shape and is a fully ambidextrous design at a conventional grip angle.  Features conventional M4 grip angle but...

The Guns Modify Tokyo Marui MWS GBB A5 Style Gen 2 Trigger Guard is an upgrade part for the Tokyo Marui MWS gas blowback rifle. Designed for the...

Designed for the Tokyo Marui M4 MWS GBBR Series. Textured enlarged magazine release that will provide a better grip compared to the stock one. CNC...

Designed for the Tokyo Marui M4 MWS GBBR Series. Textured enlarged magazine release that will provide a better grip compared to the stock one. CNC...

The Guns Modify competition hop up adjustment wheel is a premium upgrade part designed to help the user dial in their hop up more precisely giving...

Perhaps the most complete hop-up system for the Marui MWS series, this set from Guns Modify comes with everything required to replace the stock ho...

This kits includes a total of 23 springs for the Marui MWS series of GBBRs; as comprehensive as it gets. Includes all springs shown.

Guns Modify drop in nozzle V3.5 for Tokyo Marui M4 MWS GBBR. Compatibility: Tokyo Marui M4A1 MWS GBBR. A reinforced nozzle designed to improve th...

Guns Modify drop in nozzle V3.5 for Tokyo Marui M4 MWS GBBR. Compatibility: Tokyo Marui M4A1 MWS GBBR. Designed for 1 Joule markets (Japan Versio...

The Guns Modify high speed bolt carrier is a high quality, super lightweight upgrade over the stock out of the box part found in the stock gun, w...

This valve from Guns Modify is designed to add strength over the stock valve and helps improve gas consistency and efficiency. Material: Stainles...

The Guns Modify high tenacity polymer buffer for the TM M4 MWS is a premium upgrade part designed to work better than the out of the box part in t...

A pack of 18 hop tensioners in 3 different varieties. 60 degree rating in terms of hardness, suitable for 0.2g-0.25g BBs.

A pack of 18 hop tensioners in 3 different varieties. 70 degree rating in terms of hardness, suitable for 0.2g-0.25g BBs.

A replacement feed lip for the Tokyo Marui M4 MWS GBBR series magazines. Reinforced construction, perfect for replacing broken or damaged feed lip...

The Guns Modify Steel Standard AR Receiver Pin Set is a steel constructed receiver pin set designed to work with the Tokyo Marui MWS series of GBB...

A black coloured steel gas block for MWS series of GBBRs. Includes the dummy gas tube and necessary screw fixings.

A silver coloured steel gas block for MWS series of GBBRs. Includes the dummy gas tube and necessary screw fixings.

Guns Modify reinforced internal nozzle components. 150% nozzle return spring. Compatibility: Tokyo Marui M4A1 MWS GBBR. GM0335.

Suitable for the Tokyo Marui M4 MWS GBBR Series. Heat Treated. For Marui / GM / HA MWS M4 GBB.  Steel Construction. Black in colour.