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Product Overview

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Upgrade your gas blowback airsoft pistol or rifle with the Unicorn Airsoft 6.03 NITROFLON Coated Brass Inner Barrel (110mm) — designed to deliver next-level precision and durability. Engineered for Tokyo Marui-spec GBB airsoft guns, this precision inner barrel features a tight 6.03mm inner diameter for enhanced accuracy and consistency shot after shot.

The NITROFLON coating ensures smooth BB travel and resistance to wear, while the included 60-degree hop-up bucking provides improved backspin and trajectory control. Built with high-quality brass, this inner barrel is a perfect drop-in upgrade for players looking to optimize the performance of their gas-powered airsoft platforms.

Whether you're using Tokyo Marui, KJW, or compatible GBB models, this barrel is a seamless fit that ensures excellent shooting stability and reliability. Backed by Unicorn Airsoft’s reputation for premium upgrade parts, this barrel is ideal for competitive players and tech-savvy airsofters who demand top-tier gear.

Key Features:

  • Precision 6.03mm inner diameter for tight groupings

  • Durable brass construction with advanced NITROFLON coating

  • Includes 60° hop-up bucking for optimal accuracy

  • Compatible with most TM-spec and KJW GBB airsoft guns

  • Simple drop-in installation with factory-quality fit

Specifications:

  • Length: 110mm

  • Inner Diameter: 6.03mm

  • Material: Brass with NITROFLON coating, rubber bucking

  • Compatibility: Tokyo Marui, KJW, and similar GBB pistols/rifles

  • Package Includes: Inner barrel, hop-up bucking

About Unicorn Airsoft:
Founded in 2019 by passionate industry veterans, Unicorn Airsoft brings over a decade of experience to the design and manufacture of high-performance airsoft upgrade parts. Proudly made in Taiwan, their hop-up bucking and inner barrels are trusted by serious players for their consistency, reliability, and quality craftsmanship.

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Availability is displayed beside the price and updates when a different product variant is selected.
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$49.00