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£16.99
  • 0.25g BIO BBs
  • Bottles or Bags
  • ±0.01mm Tolerance

Produced by VORSK Airsoft, these Airsoft BIO BBs are precision engineered 6mm BBs which are designed to be used in a wide range of Airsoft guns and replicas. These BBs are part of the VORSKs brand new range of Airsoft BBs ranging from light weight BBs for beginner Airsoft players, all the way up to super heavyweight BBs for professional players and snipers.

These particular BBs are BIO 0.25g BBs which are created from biodegradable materials so that they will gradually break down with time when exposed to natural environments. Touted as a more environmentally friendly BB, they are sometimes required by certain Airsoft sites to play.

This weight of BB are designed to work in any Airsoft gun, but perform at their best in beginner and low power Airsoft replicas under 350fps. Whether you're new to Airsoft, playing indoors, or looking for BBs for your Spring Powered Airsoft replica then these are the BBs for you.

£16.99
  • 0.25g BIO BBs
  • Bottles or Bags
  • ±0.01mm Tolerance

Produced by VORSK Airsoft, these Airsoft BIO BBs are precision engineered 6mm BBs which are designed to be used in a wide range of Airsoft guns and replicas. These BBs are part of the VORSKs brand new range of Airsoft BBs ranging from light weight BBs for beginner Airsoft players, all the way up to super heavyweight BBs for professional players and snipers.

These particular BBs are BIO 0.25g BBs which are created from biodegradable materials so that they will gradually break down with time when exposed to natural environments. Touted as a more environmentally friendly BB, they are sometimes required by certain Airsoft sites to play.

This weight of BB are designed to work in any Airsoft gun, but perform at their best in beginner and low power Airsoft replicas under 350fps. Whether you're new to Airsoft, playing indoors, or looking for BBs for your Spring Powered Airsoft replica then these are the BBs for you.

£9.99
  • 0.20g BIO BBs
  • Bottles or Bags
  • ±0.01mm Tolerance

Produced by VORSK Airsoft, these Airsoft BIO BBs are precision engineered 6mm BBs which are designed to be used in a wide range of Airsoft guns and replicas. These BBs are part of the VORSKs brand new range of Airsoft BBs ranging from light weight BBs for beginner Airsoft players, all the way up to super heavyweight BBs for professional players and snipers.

These particular BBs are BIO 0.20g BBs which are created from biodegradable materials so that they will gradually break down with time when exposed to natural environments. Touted as a more environmentally friendly BB, they are sometimes required by certain Airsoft sites to play. 

This weight of BB are designed to work in any Airsoft gun, but perform at their best in beginner and low power Airsoft replicas under 350fps. Whether you're new to Airsoft, playing indoors, or looking for BBs for your Spring Powered Airsoft replica then these are the BBs for you. 

£15.99
  • 0.20g BIO BBs
  • Bottles or Bags
  • ±0.01mm Tolerance

Produced by VORSK Airsoft, these Airsoft BIO BBs are precision engineered 6mm BBs which are designed to be used in a wide range of Airsoft guns and replicas. These BBs are part of the VORSKs brand new range of Airsoft BBs ranging from light weight BBs for beginner Airsoft players, all the way up to super heavyweight BBs for professional players and snipers.

These particular BBs are BIO 0.20g BBs which are created from biodegradable materials so that they will gradually break down with time when exposed to natural environments. Touted as a more environmentally friendly BB, they are sometimes required by certain Airsoft sites to play. 

This weight of BB are designed to work in any Airsoft gun, but perform at their best in beginner and low power Airsoft replicas under 350fps. Whether you're new to Airsoft, playing indoors, or looking for BBs for your Spring Powered Airsoft replica then these are the BBs for you. 

£18.99
  • 0.28g BIO BBs
  • Bottles or Bags
  • ±0.01mm Tolerance

Produced by VORSK Airsoft, these Airsoft BIO BBs are precision engineered 6mm BBs which are designed to be used in a wide range of Airsoft guns and replicas. These BBs are part of the VORSKs brand new range of Airsoft BBs ranging from light weight BBs for beginner Airsoft players, all the way up to super heavyweight BBs for professional players and snipers.

These particular BBs are BIO 0.28g BBs which are created from biodegradable materials so that they will gradually break down with time when exposed to natural environments. Touted as a more environmentally friendly BB, they are sometimes required by certain Airsoft sites to play. 

This weight of BBs is specifically designed with a higher weight to allow it to punch through light wind and bushes with ease, allowing you to be more effective in outdoor games. These  BBs perform best when used in Airsoft guns between 300fps - 400fps, and are great in replicas which have had upgrades or come with an extremely good hop out of the box. 

£20.99
  • 0.30g BIO BBs
  • Bottles or Bags
  • ±0.01mm Tolerance

Produced by VORSK Airsoft, these Airsoft BIO BBs are precision engineered 6mm BBs which are designed to be used in a wide range of Airsoft guns and replicas. These BBs are part of the VORSKs brand new range of Airsoft BBs ranging from light weight BBs for beginner Airsoft players, all the way up to super heavyweight BBs for professional players and snipers.

These particular BBs are BIO 0.30g BBs which are created from biodegradable materials so that they will gradually break down with time when exposed to natural environments. Touted as a more environmentally friendly BB, they are sometimes required by certain Airsoft sites to play. 

This weight of BB (0.30g) is right on the overlap of Assault Rifle / Sniper Rifle gameplay, and can realistically be used for either application. If you want the ability to cut through trees/leaves/branches with less deflections, or if you play at a windy site where standard BBs won't cut it, then the 0.30g is an ideal weight.

£9.99
  • ±0.01mm Tolerance
  • Range of Bottle Sizes
  • Heavyweight BIO BBs

Produced by VORSK Airsoft, these Airsoft BBs are precision engineered 6mm BBs which are designed to be used in a wide range of Airsoft guns and replicas. These BBs are part of the VORSKs brand new range of Airsoft BBs ranging from light weight BBs for beginner Airsoft players, all the way up to super heavyweight BBs for professional players and snipers.

These particular BBs are BIO 0.40g BBs which are created from biodegradable materials so that they will gradually break down with time when exposed to natural environments. Touted as a more environmentally friendly BB, they are sometimes required by certain Airsoft sites to play. 

These 0.40g BBs are getting towards the upper limit of Heavyweight BBs, and are ideally suited for Sniper Rifles and other high-power Airsoft Guns such as DMRs and Pistols (provided they have been suitably upgraded with an aftermarket HOP Bucking).

£19.99
  • ±0.01mm Tolerance
  • Range of Bottle Sizes
  • Heavyweight BIO BBs

Produced by VORSK Airsoft, these Airsoft BBs are precision engineered 6mm BBs which are designed to be used in a wide range of Airsoft guns and replicas. These BBs are part of the VORSKs brand new range of Airsoft BBs ranging from light weight BBs for beginner Airsoft players, all the way up to super heavyweight BBs for professional players and snipers.

These particular BBs are BIO 0.40g BBs which are created from biodegradable materials so that they will gradually break down with time when exposed to natural environments. Touted as a more environmentally friendly BB, they are sometimes required by certain Airsoft sites to play. 

These 0.40g BBs are getting towards the upper limit of Heavyweight BBs, and are ideally suited for Sniper Rifles and other high-power Airsoft Guns such as DMRs and Pistols (provided they have been suitably upgraded with an aftermarket HOP Bucking).

£24.99
  • Green Tracer BBs
  • Biodegradable BBs
  • 0.25g Tracer BIO BBs

Produced by VORSK Airsoft, these Airsoft Tracer BIO BBs are precision engineered 6mm BBs which are designed to be used in a wide range of Airsoft guns and replicas. These BBs are part of the VORSKs brand new range of Airsoft BBs ranging from light weight BBs for beginner Airsoft players, all the way up to super heavyweight BBs for professional players and snipers.

These particular BBs are not only BIO BBs, but are also Tracer BBs. These BBs are created with two purposes in mind, being created from biodegradable materials so that they will gradually break down with time when exposed to natural environments as well as being infused with special materials to allow them to glow in the dark. Touted as a more environmentally friendly BB, they are sometimes required by certain Airsoft sites to play.

These particular BBs are standard 0.25g BBs which are designed to work in any Airsoft gun, performing best in Airsoft guns which fire between 280fps - 370fps, and are the go-to weight for any Airsoft skirmisher looking for an the perfect all around weight for a standard AEG. Whether you're new to Airsoft, or a regular skirmisher, this weight of BB will most likely be your go-to BB weight, and is the most commonly used by Airsoft players.

£9.99
  • ±0.01mm Tolerance
  • Range of Bottle Sizes
  • Heavyweight BIO BBs

Produced by VORSK Airsoft, these Airsoft BBs are precision engineered 6mm BBs which are designed to be used in a wide range of Airsoft guns and replicas. These BBs are part of the VORSKs brand new range of Airsoft BBs ranging from light weight BBs for beginner Airsoft players, all the way up to super heavyweight BBs for professional players and snipers.

These particular BBs are BIO 0.43g BBs which are created from biodegradable materials so that they will gradually break down with time when exposed to natural environments. Touted as a more environmentally friendly BB, they are sometimes required by certain Airsoft sites to play. 

These 0.43g BBs are well within the bracket of Heavyweight BBs, and are ideally suited for Sniper Rifles and other high-power Airsoft Guns such as DMRs and Pistols (provided they have been suitably upgraded with an aftermarket HOP Bucking). If you need more poke from your replica and you have a HOP Bucking that can take it, then 0.43g BBs are a welcome 'upgrade' to your shooting experience.

£24.99
  • ±0.01mm Tolerance
  • Range of Bottle Sizes
  • Heavyweight BIO BBs

Produced by VORSK Airsoft, these Airsoft BBs are precision engineered 6mm BBs which are designed to be used in a wide range of Airsoft guns and replicas. These BBs are part of the VORSKs brand new range of Airsoft BBs ranging from light weight BBs for beginner Airsoft players, all the way up to super heavyweight BBs for professional players and snipers.

These particular BBs are BIO 0.43g BBs which are created from biodegradable materials so that they will gradually break down with time when exposed to natural environments. Touted as a more environmentally friendly BB, they are sometimes required by certain Airsoft sites to play. 

These 0.43g BBs are well within the bracket of Heavyweight BBs, and are ideally suited for Sniper Rifles and other high-power Airsoft Guns such as DMRs and Pistols (provided they have been suitably upgraded with an aftermarket HOP Bucking). If you need more poke from your replica and you have a HOP Bucking that can take it, then 0.43g BBs are a welcome 'upgrade' to your shooting experience.

£24.99
  • Green Tracer BBs
  • Biodegradable BBs
  • 0.20g Tracer BIO BBs

Produced by VORSK Airsoft, these Airsoft Tracer BIO BBs are precision engineered 6mm BBs which are designed to be used in a wide range of Airsoft guns and replicas. These BBs are part of the VORSKs brand new range of Airsoft BBs ranging from light weight BBs for beginner Airsoft players, all the way up to super heavyweight BBs for professional players and snipers.

These particular BBs are not only BIO BBs, but are also Tracer BBs. These BBs are created with two purposes in mind, being created from biodegradable materials so that they will gradually break down with time when exposed to natural environments as well as being infused with special materials to allow them to glow in the dark. Touted as a more environmentally friendly BB, they are sometimes required by certain Airsoft sites to play.

This weight of BB are designed to work in any Airsoft gun, but perform at their best in beginner and low power Airsoft replicas under 350fps. Whether you're new to Airsoft, playing indoors, or looking for BBs for your Spring Powered Airsoft replica then these are the BBs for you. 

Whether your skirmish site only allows bio BBs or if you’re just looking to make an eco-friendly switch, we have a great range of suitable options for you. Plus, plenty of our bio BBs are available as a bulk purchase, so you can buy more and save. 

At Patrol Base you’ll only find the highest quality bio BB manufacturers including Ares, G&G and more. We know everyone's needs are different too, which is why we offer a variety of BB weights and amounts, with up to 5,200 bio BB bottles and bags available. 

Shop online and enjoy next day delivery options or visit us at our Huddersfield location where you can take a look at our in-store biodegradable BB collection.