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Madbull Blue Hop-Up Bucking with Round Tensioner, 60 (1pc)
The different numbers on the hop-up buckings represent their suitability for guns of different power level (the higher the number the more efficient the gun = higher muzzle energy).
The madbull blue hop-up bucking (60) is meant for 90-115 m/s muzzle velocities measured with a 0.20g BB.
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Temporarily out of stock