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£11.99
  • For Sniper Rifles
  • 6.03mm Diameter
  • Brass Construction

A series of Precision Inner Barrel from Big Dragon, constructed from Brass and available in a various lengths to suit models such as: CYMA CM.701, CM.703, WELL MB4418-X and WELL MB-01 / MB-05 / MB-08 Airsoft Spring Sniper Rifles.

£12.99
  • High Density Steel
  • For Standard Hop Unit
  • Improved Range & Power

It's time to give more range, accuracy and power to your beloved SSG 69. 

£24.99
  • 6.03mm x 407mm
  • Upgrade AEG Barrel
  • Increase Performance

An upgrade Airsoft 6mm BB Gun Barrel which is compatible with Airsoft AEG Barrel Compatible Hop-Up units. The barrel is constructed from Alloy, then Hard Coated via an Anodising Process.

£24.99
  • 6.03mm x 285mm
  • Upgrade AEG Barrel
  • Increase Performance

An upgrade Airsoft 6mm BB Gun Barrel which is compatible with Airsoft AEG Barrel Compatible Hop-Up units. The barrel is constructed from Alloy, then Hard Coated via an Anodising Process.

£24.99
  • 6.03mm x 300mm
  • Upgrade AEG Barrel
  • Increase Performance

An upgrade Airsoft 6mm BB Gun Barrel which is compatible with Airsoft AEG Barrel Compatible Hop-Up units. The barrel is constructed from Alloy, then Hard Coated via an Anodising Process.

£26.99
  • GBB Barrel
  • Stainless Steel
  • Rigid & Accurate

A Precision Inner Barrel for Gas Blowback Pistols and compact Airsoft weapons, produced to an incredibly high standard of tightbore performance increasing your range and accuracy over distance.

£26.99
  • GBB Barrel
  • Stainless Steel
  • Rigid & Accurate

A Precision Inner Barrel for Gas Blowback Pistols and compact Airsoft weapons, produced to an incredibly high standard of tightbore performance increasing your range and accuracy over distance.

£26.99
  • GBB Barrel
  • Stainless Steel
  • Rigid & Accurate

A Precision Inner Barrel for Gas Blowback Pistols and compact Airsoft weapons, produced to an incredibly high standard of tightbore performance increasing your range and accuracy over distance.

£26.99
  • GBB Barrel
  • Stainless Steel
  • Rigid & Accurate

A Precision Inner Barrel for Gas Blowback Pistols and compact Airsoft weapons, produced to an incredibly high standard of tightbore performance increasing your range and accuracy over distance.

£26.99
  • GBB Barrel
  • Stainless Steel
  • Rigid & Accurate

A Precision Inner Barrel for Gas Blowback Pistols and compact Airsoft weapons, produced to an incredibly high standard of tightbore performance increasing your range and accuracy over distance.

£26.99
  • GBB Barrel
  • Stainless Steel
  • Rigid & Accurate

A Precision Inner Barrel for Gas Blowback Pistols and compact Airsoft weapons, produced to an incredibly high standard of tightbore performance increasing your range and accuracy over distance.

£26.99
  • GBB Barrel
  • Stainless Steel
  • Rigid & Accurate

A Precision Inner Barrel for Gas Blowback Pistols and compact Airsoft weapons, produced to an incredibly high standard of tightbore performance increasing your range and accuracy over distance.

£26.99
  • GBB Barrel
  • Stainless Steel
  • Rigid & Accurate

A Precision Inner Barrel for Gas Blowback Pistols and compact Airsoft weapons, produced to an incredibly high standard of tightbore performance increasing your range and accuracy over distance.

£27.99
  • Increase FPS
  • Mock Suppressor
  • Long Inner Barrel

A kit which allows you to increase your FPS and Accuracy of your Gas Blowback WE Europe Pistols by extending your Pistol's Inner barrel.

£34.95
  • 6.03mm x 208mm
  • Madbull Black Python
  • For ASG's Scorpion Evo

An upgrade Madbull Black Python Tightbore 208mm inner barrel for ASG's Scorpion Evo.

£34.99
  • 229mm Length
  • 6.03mm Tightbore
  • Steel Construction

A 229mm 6.03 inner Tightbore Barrel designed for use in your Airsoft assault rifle! Providing precision & accuracy, the Madbull barrel range are some of the best on the market.

£34.99
  • 300mm Length
  • 6.03mm Tightbore
  • Steel Construction

A 300mm 6.03 inner Tightbore Barrel designed for use in your Airsoft assault rifle! Providing precision & accuracy, the Madbull barrel range are some of the best on the market.

£34.99
  • 455mm Length
  • 6.03mm Tightbore
  • Aluminium Construction

A 455mm 6.03 inner Tightbore Barrel designed for use in your Airsoft assault rifle! Providing precision & accuracy, the Madbull barrel range are some of the best on the market.

£36.99
  • Stainless Steel
  • Air-Seal Improving
  • Aircraft Aluminium

An extremely straight and precisely-manufactured inner barrel made from Stainless Steel and Aircraft-grade Aluminium, and comes included with a HOP rubber and O-Rings.

£36.99
  • Stainless Steel
  • Air-Seal Improving
  • Aircraft Aluminium

An extremely straight and precisely-manufactured inner barrel made from Stainless Steel and Aircraft-grade Aluminium, and comes included with a HOP rubber and O-Rings.

£36.99
  • Stainless Steel
  • Air-Seal Improving
  • Aircraft Aluminium

An extremely straight and precisely-manufactured inner barrel made from Stainless Steel and Aircraft-grade Aluminium, and comes included with a HOP rubber and O-Rings.

£36.99
  • Stainless Steel
  • Air-Seal Improving
  • Aircraft Aluminium

An extremely straight and precisely-manufactured inner barrel made from Stainless Steel and Aircraft-grade Aluminium, and comes included with a HOP rubber and O-Rings.

£36.99
  • Stainless Steel
  • Air-Seal Improving
  • Aircraft Aluminium

An extremely straight and precisely-manufactured inner barrel made from Stainless Steel and Aircraft-grade Aluminium, and comes included with a HOP rubber and O-Rings.

£36.99
  • Stainless Steel
  • Air-Seal Improving
  • Aircraft Aluminium

An extremely straight and precisely-manufactured inner barrel made from Stainless Steel and Aircraft-grade Aluminium, and comes included with a HOP rubber and O-Rings.

£36.99
  • Stainless Steel
  • Air-Seal Improving
  • Aircraft Aluminium

An extremely straight and precisely-manufactured inner barrel made from Stainless Steel and Aircraft-grade Aluminium, and comes included with a HOP rubber and O-Rings.

£36.99
  • Stainless Steel
  • Air-Seal Improving
  • Aircraft Aluminium

An extremely straight and precisely-manufactured inner barrel made from Stainless Steel and Aircraft-grade Aluminium, and comes included with a HOP rubber and O-Rings.

£36.99
  • Anodised Finish
  • 6.03mm Inner Diameter
  • Aluminium Construction

An aluminium Precision Inner Barrel for your Spring Sniper Rifle, with an inner diameter of 6.03mm.

£39.99
  • 509mm Length
  • 6.03mm Tightbore
  • Steel Construction

A 509mm 6.03 inner Tightbore Barrel designed for use in your Airsoft assault rifle! Providing precision & accuracy, the Madbull barrel range are some of the best on the market.

£44.99
  • R-Hop Inner Barrel Set
  • Improves BB Accuracy
  • Works with AEG & GBB!

The Master Mod R-Hop Inner Barrel Set is a revolutionary design allowing you to install the set with ease in either your AEG or your GBBR! Yes that's right, it works in both. It's time to upgrade your airsoft gun with the high quality internals it deserves.

£44.99
  • R-Hop Inner Barrel Set
  • Improves BB Accuracy
  • Works with AEG & GBB!

The Master Mod R-Hop Inner Barrel Set is a revolutionary design allowing you to install the set with ease in either your AEG or your GBBR! Yes that's right, it works in both. It's time to upgrade your airsoft gun with the high quality internals it deserves.

Upgrade inner barrels for airsoft M4 / AR15 rifles and more

Here at Patrol Base we have a wide variety of airsoft inner barrels available both in store and online. We stock barrels for both AEG airsoft guns, gas weapons and more, with common diameters such as 6.01mm, 6.03mm and 6.05mm. 

Looking to replace the inner barrel of another gun? Our range of airsoft inner barrels offer options for almost any assault rifle, pistol and sniper, such as M4, G36, MP5 and even VSR and L96 types.

Shop our AR15 and M4 length inner barrels online today or visit us in store.