KWA Hop Up Adjustment Tool for KSC/KWA GBB Pistol Red Dot Magazine Capacity:

Magazine Capacity:

Fits for MARUI G34 Gas Blow-Back (Original Length)

Fits For TM H&K-G3

Aluminum Flash hider & 19

KWA Hop Up Adjustment Tool for KSC/KWA GBB Pistol Red Dot Magazine Capacity:Original KWA Adjustment Tool for Hop Up Suitable for KSC KWA Airsoft Gas Blow Back GBB Pistol Vendor: KWA * Toys only, please be safe use of air guns and must be follow the local law requirement for all airsoft use. * * Please note: installing parts assemble fitting airsoft gun will need intermediate knowledge; for expert or airsoft gunsmith. Please refer to your airsoft gunsmith for proper installation fitting. Fitting may be needed as the condition