Product code: 8469
In Store
  • 6.03mm x 650mm
  • 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. 

Full description


Widely accepted as one of the best tightbore barrels on the market these barrels will increase the overall performance of Airsoft Weapons once installed. Each barrel is produced by MADBULL via their own process, after molding the Barrel it is then cleared for imperfections using Gearing Hobs and then Hard Coated to provide the Smoothest Inner Surface possible. Each Barrel is factory tested, first checking for inner diameter and then for bends by being rolled on a flat surface. Before dispatching from the factory the Barrels are then placed in plastic tubing to prevent bending or scratching of the barrel. This barrel is a must have purchase for any Airsoft Skirmisher looking to upgrade their weapon, or for any Airsoft Tech who is looking for a brand of barrel which simply just works out of the tube.

  • Part of the MADBULL Python 2nd Generation Version 2 6.03 Tightbore Barrel Range
  • Compatible with M4 Suppressed / M16 / SR25 and other AEG with 650363mm Barrels
  • Increase Performance with a Tighter Bore Barrel over standard 6.05mm / 6.08mm Airsoft Barrel
  • Hard Coated to provide a Smooth Inner Surface
  • Constructed from Aluminium then Smoothed with Gear Hobs
  • Once Cut and Shaped the Barrel is Hard Coated using an Anodising Process
  • Each Barrel is Factory Tested for Dimensions and Straightness
  • Packaged in Plastic Tube to prevent Scratching and Bending

Package Includes:

  • Python Ver.II 650mm 6.03 Upgrade Tightbore Barrel

Special Instructions:

Please note that installing a Tightbore Barrel with a lower diameter than your current barrel can increase the FPS of your weapon. If you have an Airsoft gun which is close to the limit of your local Game Site caution is advised. Should you need help with fitting your brand new Airsoft Barrel please feel free to call our in-house Workshop team on: 01484 644 709



Colour Wheel Greyscale
Item Colour
Product Length
Approx. 65cm
Product Height
Approx. 0.6cm
Product Width
Approx. 0.6cm

Barrel Specific

Barrel Compatibility
Standard AEG
Recommended Guns
  • M4
  • SR-25
Inner Barrel Diameter
Inner Barrel Length
Inner Barrel Construction

Delivery & returns


1 - Deliveries
2 - Returns

1 - Deliveries

We are proud of our rapid delivery which, comprises of Royal Mail 1nd class recorded and courrier next working day to mainland UK. We also ship to EU countries; Scottish Highlands and Islands which are a minimum of a two day service and are shipped by land / sea. Our deliveries are made by DPD and Royal Mail recorded 1st or 2nd class signed for, and Royal Mail Standard.

We deliver from Monday to Friday, and Saturday with a special service. If more than 7 days have passed since we confirmed dispatch and your order has not arrived, then please call our Customer Care team on 01484 644709. If we don’t have stock of an item then we will call and email you letting you know that it is out of stock, and we will send it to you as soon as stock becomes available. If you want to cancel any item/s that are out of stock once order you can. For most UK deliveries postage & packing is based upon the value, size and weight of your order.

We always look to fulfil every order in full on time, but on the odd occasion an  item is missing we will attempt to contact you prior to shipping. If your order is a Next Day service, and we cannot contact you, we will refund the missing item(s), and ship the rest of the order immediately.

Upon signing for the delivery you are accepting the correct delivery for your items, however, we do understand that you might not be able to open your package straight away so you have up to 48 Hours to advise us of missing / incorrect items.

Please note we do not compensate in any way for time spent waiting in for deliveries that do not arrive, we do however accept that in life, mistakes and circumstances happen that can unfortunately mean that your item may not be delivered next day as requested e.g. bad weather, computer error etc. If such mistakes do occur we will refund your postage charge in full and by agreeing to the previous sentence and proceeding with the order you accept that we have done everything we can to help you obtain the package.

For orders outside of the UK Mainland please specify your location when calculating postage. 

For all international orders there may be an additional postage charge on top of that quoted. You will be contacted if this applies for your order. If the postage costs are too high, you may cancel your order at any time prior to dispatch.

For more information relating to Deliveries please see our Delivery Information.

2 - Returns

You can cancel any order that has not been dispatched. Please call our Customer Care team on 01484 644709 between 9:30am and 5:00pm or log onto the website and check the status of your order in your account.

If you do want to arrange the return of an item, simply call our friendly Customer Care team on 01484 644709 from 9:30am to 5:00pm and they will explain how to return the items.

Alternatively you can get in touch with us via our Contact Us Page.

If you are returning a product because it is faulty or something is wrong then we will pay for it to be returned to us. The Customer Care Team will arrange for cost you incur to be refunded.

Any none faulty return must be shipped back in full re-saleable order with original undamaged packaging.

You can return any item for any reason whatsoever, even if you have just changed your mind, within 14 days of receipt of the order. This is in addition to your rights under the Consumer Protection (Distance Selling) Regulations 2000.
We want you to be absolutely happy with our products and services, so we provide the simple Patrol Base guarantee:  if on receiving your item you are unhappy with your item for any reason then simply send it back to us. We will replace or refund the item.

This guarantee ensures that if you are unsure about what you are purchasing you have the peace of mind of knowing that we are here to help. In addition, if you decide that you made a mistake or you change your mind then please send the goods back within 14 days of receipt. Sadly, this can only apply to standard range products; we cannot accept back any item that has been made to order i.e. Two Tone Airsoft equipment.

Upon signing for the delivery you are accepting the correct delivery for your items, however, we do understand that you might not be able to open your package straight away so you have up to 48 Hours to advise us of missing / incorrect items.
If you do decide to return anything for whatever reason then please get in touch with us via our Contact Us Page for a copy of our returns form.

If you do send goods back for any reason other than a fault you will normally be asked to pay the carriage charges, we would just have to recover the costs in our prices. We would rather be completely straight with you, keep our prices as low as possible, and just ask you to pay if you choose to return anything.

For more information relating to returns please see our Returns Policy Page.

Finance options

Finance is available.

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