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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
*奈米潤滑油與奈米油脂相容，
Best Perforance for 0
New Silicone material with better performance like Anti-Low Temperature for GBB series
- CNC Aluminum Full set BBU for 17 & Plate for RMR sight
- Comprised of durable carbon fiber exterior and a ballistic puck interior
Hephaestus Recoil Power Kit for KSC / KWA Vz61 GBB SMG Series Goggles & Glasses Parts *奈米潤滑油與奈米油脂相容，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.
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