T-N.T. GHK-AR series GBBR Full Hop-Up Retrofit Kit V2 ( S+ Inner Barrel )
Low stockFrom $845 HKDUnit price /UnavailableT-N.T. Hop-Up Chamber Kit for KWA M4 / AR GBB Airsoft
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In stockFrom $845 HKDUnit price /UnavailableT-N.T. KSC MP9 / TP9 GBB Full Hop-Up Retrofit Kit ( S+ Inner Barrel )
In stockFrom $1,079 HKDUnit price /UnavailableT-N.T. TALON MK-1 VSR-10 Series Hop-Up Full Retrofit Kit ( S+ Inner Barrel )
In stockFrom $1,391 HKDUnit price /UnavailableVFC Original Parts - HK417 16 Inch V2 GBB Rifle Inner Barrel Assembly ( VG27HOP200 )
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In stock$220 HKDUnit price /UnavailableBOW MASTER Aluminum CNC Hop-Up Chamber for GHK AK GBB Rifle
In stock$210 HKDUnit price /UnavailableLONEX Enhanced Plastic Hop-Up Chamber for M4 Series ( GB-01-89 )
In stock$101 HKDUnit price /UnavailableCYMA Hop-Up Unit for G36 AEG Series
$48 HKDUnit price /UnavailableMODIFY-TECH Accurate Hop-Up Chamber for M4/M16 AEG Series
Very low stock$195 HKDUnit price /UnavailableMODIFY-TECH Accurate Metal Hop-Up Chamber for AK-47 / 47S Series
In stock$195 HKDUnit price /UnavailableG&P CNC Custom Hop-up Chamber for Marui MWS M4 GBB Rifle
Low stock$507 HKDUnit price /UnavailableANGRY GUN CNC Hop-Up Chamber for WE M4 GBB and MSK GBB ( Gen 2 )
$350 HKDUnit price /UnavailableVFC Original Parts - MP7 GBB Hop-Up Camber ( VGB0HOP011 / VGB0HOP021 )
Very low stock$43 HKDUnit price /Unavailable