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27.49
  • Specially Designed
  • Specialised Airflow
  • Upgrade Inner Barrel

A new unique range of barrels by Maple Leaf designed to produce consistent air flow and pressure behind every BB as it leaves the barrel.

27.49
  • Specially Designed
  • Specialised Airflow
  • Upgrade Inner Barrel

A new unique range of barrels by Maple Leaf designed to produce consistent air flow and pressure behind every BB as it leaves the barrel.

27.49
  • Specially Designed
  • Specialised Airflow
  • Upgrade Inner Barrel

A new unique range of barrels by Maple Leaf designed to produce consistent air flow and pressure behind every BB as it leaves the barrel.

41.49
  • Brass and steel construction
  • Air cushion inner barrel 
  • Upgraded inner barrel for GBB/VSR

This unique range of barrels by Maple Leaf is designed to produce consistent air flow and pressure behind every BB as it leaves the barrel. The Maple Leaf Crazy Jet will enhance the accuracy of your GBB/VSR replica and pairs perfectly with a Maple Leaf HOP-up bucking for unparalleled range. This barrel is for GBB pistols with a TM style HOP-up/inner barrel and will also fit WE and VFC GBBRs, the VSR-10 Sniper rifle platform and its clones. 

65.49
  • Stainless Steel
  • 6.03mm Tight Bore
  • Bridged Inner Barrel

Used by staff and many Airsofters a like to improve your range and accuracy. When combined with the right weight BB, hop-up rubber and patience this barrel delivers killer accuracy down range. 

17.99
  • 6.02mm Tightbore inner barrel
  • Stainless steel construction
  • For TM and WE GBB pistols

If you are after a bit more accuracy from your GBB pistol, a tight bore barrel is the easiest and most effective solution! Introducing the 6.02mm Tightbore Inner Barrel from Maple Leaf, legends in the inner barrel market for their innovative crazy jet system. This inner barrel is of a standard design with a 6.02mm bore which will improve accuracy over stock inner barrels and provide a slight increase in FPS.

33.49
  • 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.

47.49
  • Specially Designed
  • Specialised Airflow
  • Upgrade Inner Barrel

A new unique range of barrels by Maple Leaf designed to produce consistent air flow and pressure behind every BB as it leaves the barrel.

47.49
  • Specially Designed
  • Specialised Airflow
  • Upgrade Inner Barrel

A new unique range of barrels by Maple Leaf designed to produce consistent air flow and pressure behind every BB as it leaves the barrel.

53.49
  • Specially Designed
  • Specialised Airflow
  • Upgrade Inner Barrel

A new unique range of barrels by Maple Leaf designed to produce consistent air flow and pressure behind every BB as it leaves the barrel.

59.49
  • Specially Designed
  • Specialised Airflow
  • Upgrade Inner Barrel

A new unique range of barrels by Maple Leaf designed to produce consistent air flow and pressure behind every BB as it leaves the barrel.

65.49
  • Stainless Steel
  • 6.03mm Tight Bore
  • Bridged Inner Barrel

Used by staff and many Airsofters a like to improve your range and accuracy. When combined with the right weight BB, hop-up rubber and patience this barrel delivers killer accuracy down range. 

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.