Hephaestus Recoil Power Kit for KSC / KWA Vz61 GBB SMG Series
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CNC machined brass construction.
Increase recoiling mass ( weight of bolt carrier group ) to increase kick and felt recoil.
Enhance shooting experience while keeping the rate of fire and gas efficiency.
Drop-in replacement for original Main Seal Base.
Suitable for KSC/KWA Vz61 GBB SMG.
CNC machined brass construction.
Increase recoiling mass ( weight of bolt carrier group ) to increase kick and felt recoil.
- Vendor HEPHAESTUS
- SKU HEP-KK-003
Disclaimer: Upgrading airsoft guns require necessary skill & technique, manual modification is necessary, consult expertise if needed.