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
• 6.03mm bore
• Length 84 mm
• For Glock 19 series

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MLCJ84