Modify Stainless Steel Pistol Tightbore Barrel (74–146mm) for GBB Pistols & SMGs

A precision-made stainless steel tightbore barrel set designed for gas blowback pistols and SMGs. Tailored to fit a range of popular models, it offers a consistent 6.03 mm bore and ten length options to optimize fit and performance.

• Material: Stainless steel construction for durability, corrosion resistance, and a stable bore over time.
• Bore diameter: Exact 6.03 mm inner diameter to promote uniform gas seals and consistent shot-to-shot performance.
• Length options: Ten lengths available — 74 mm, 85 mm, 91 mm, 100 mm A, 100 mm B, 115 mm, 133 mm, 136 mm, 138 mm, 146 mm — to match specific pistols and configurations.
• Model-specific compatibility: Carefully matched to particular models, including 74 mm for Marui V10; 85 mm for KJW G19/G23; 91 mm for Marui M&P 9 / PX4; 100 mm A for Marui XDM / FN 5-7; 100 mm B for Marui HK45; 115 mm for Marui M9A1; 133 mm for Marui MK23; 136 mm for Marui Desert Eagle; 138 mm for Marui Hi-Capa 5.1; and 146 mm for Marui MP7A1 (GBB).
• Manufacturing precision: Tight bore produced through a strict manufacturing process to ensure consistent bore across each length, improving reliability.
• Future model testing: The lineup will expand as testing continues to confirm compatibility with additional brands and models.

Benefits: Upgrading to these stainless steel tightbore barrels can yield more predictable performance across shots, with tighter groupings at practical ranges and steadier muzzle behavior thanks to a uniform bore. The ten length options empower you to tailor fitment to your specific pistol or SMG, balancing accuracy, line of sight, and gas efficiency. Designed for dedicated airsoft players and professionals who customize their loadouts, this barrel set helps you optimize your platform for your preferred role—whether you’re aiming for precision in target scenarios or reliable performance in dynamic field conditions.