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Madbull Airsoft SteelBull Stainless Steel 6.03 Tightbore Inner Barrel (455mm)

[SF27][22421 / MB BARL SB 455MM]
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Madbull has crafted another gem in its product line with its new Stainless Steel 6.03 precision inner barrels. Their products are renowned for their high quality, affordability, and dependability, so it's no surprise that this Stainless Steel barrel will be a highly sought-after internal upgrade. Madbull takes no short cuts in providing an immaculately finished inner barrel for increased precision and the highest standard of durability. Get the absolute most out of your airsoft rifle by purchasing Madbull's new gorgeous Stainless Steel 6.03mm upgrade inner barrel.

The Madbull Steelbull stainless steel tightbore barrel is the newest product from Madbull, and is a very high quality part for an affordable price. The Steelbull barrel uses a standard barrel exterior profile which makes it compatible with a wide variety of AEG hop up chambers. The largest point about this barrel is that the inner diameter of the barrel measures at 6.03mm, which significantly increases shot consistency accuracy and range wise.

The barrel length is 455mm or right around 18 inches

Manufacturer: Madbull Airsoft
Model: 455mm SteelBull Stainless Steel 6.03 Tightbore Barrel
Color: Silver
Material: Stainless Steel
Package Includes: One (1) Inner Barrel
Warranty Length: 45-days
Warranty Handler: Airsoft GI (Warranty Policy)


  • High Quality
  • Improves Air Seal
  • Increases Accuracy & Precision
  • High Strength, Durable Construction
  • For the AK47 or Similar Length Airsoft Guns

Please Note:

  • Professional installation is recommended. Improper use or installation of upgrade parts are 99% of the time the cause of failures of these items.
  • Please thoroughly inspect any parts for defects before attempting installation. Due to the high possibility of damage from improper installation, we will not warranty parts after attempting installation.
  • Package contents included by the manufacturer may vary

Manufacturer: Madbull Airsoft
Color: Silver
Material: Stainless Steel
Package Includes: One (1) Inner Barrel
No reviews | Write a Review
Will it fit
Will this barrel for a m4

2021 days ago
Daniel L

(I have this same question)
Staff Answer:
it will fit, but it will be too long for a standard length M4, meaning you will need to add a barrel extension of some kind to cover the extra length.

2020 days ago
1 answers
1 asked
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