A tightbore inner barrel upgrade for your GBB weapon, this design allows the BB to travel with less turbulence as it exits the barrel. This upgrade doesn’t increase range or velocity, but instead increases accuracy significantly.

Specifications

• Manufactured by Maple Leaf
• Drop in upgrade for Tokyo Marui, WE, VFC and KJW GBB
• 6.02mm bore
• Length 310 mm

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MLCJ310