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Crazy Jet 6.04 mm Inner Barrel for GBB – 290 mm
The Crazy Jet 6.04 mm inner barrel is a precision upgrade for gas-blowback (GBB) pistols and carbines, designed to boost accuracy and consistency with any 14 mm CW suppressor or tracer unit. Made from high-grade stainless steel and mirror-polished inside to a ±0.01 mm bore tolerance, this 290 mm barrel delivers exceptionally uniform BB velocity and a near-frictionless bore surface that reduces air loss and hop-up inconsistencies. The tighter 6.04 mm diameter ensures a better seal with standard green-or-black buckings, resulting in tighter groupings and flatter trajectories at all ranges.
Installation is straightforward: remove your stock barrel assembly, slide in the Crazy Jet tube, and secure it with the factory clamp ring—no gunsmithing or shimming required. Its 290 mm length optimizes dwell time in the hop chamber, allowing your hop-up unit to impart consistent backspin for improved range and accuracy. The stainless steel construction resists corrosion, pitting, and wear from heavy use, while the polished bore remains easy to clean after extended skirmishes.
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