Find hop up units and bucking's specifically made for GBB Airsoft guns of various makes and models.
    18 products
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    LA Capa Bucking Hi Capa
    LA Capa Customs Flat Hop Bucking for GBB Pistol/ Hi Capa
    $11.99
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    Action Army AAP-01 CNC Hop-Up Chamber
    Action Army AAP-01 CNC Hop-Up Chamber
    Action Army AAP-01 Rotary CNC Hop-Up Chamber
    Sale price $69.99 Regular price $74.99 Save $5
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    CowCow CNC Aluminum 3L Hop Up Chamber for TM Hi Capa
    $59.99
    NexxSpeed TDC CNC Aluminum Hopup Chamber for Tokyo Marui Hi-Capas
    $49.99
    Maple Leaf Decepticon Hop Up Buckings
    $11.99
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    Airsoft Masterpiece Hop-Up Base Plate
    Airsoft Masterpiece Hop-Up Base Plate
    $11.99
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    Airsoft Masterpiece Hop Up base for TM hi Capa
    $74.99
    Maple Leaf Autobot Hop Up Buckings
    $10.99
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    Loki AAP-01 TDC Hop Up Unit
    $59.99
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    Poseidon Striker hop up chamber and 97mm barrel kit for Umarex Gen3 G17/G18C
    $85.00
    AIP Stainless Steel Hop-Up Arm for Hi-Capa Airsoft Pistols / 1911
    $9.99
    AIP CNC Brass Hop-up Adjusting Wheel for Hi-Capa / 1911
    $9.99
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    AIP CNC Brass Hop Up Unit For Tokyo Marui Hi-Capa / 1911
    $49.99
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    Dynamic Precision Enhanced Hop-Up Chamber Set for TM Hi-Capa Airsoft GBB Pistols
    Dynamic Precision Enhanced Hop-Up Chamber Set for TM Hi-Capa Airsoft GBB Pistols
    $59.00
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    AIP CNC Aluminum Hop-up set For Marui Hi-Capa Airsoft Pistols (Colors: Black)
    $49.99
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    Elite Force Airsoft 1911 Complete Barrel Assembly Rebuild Kit
    $23.99