Hephaestus Enhanced Buffer Kit for Umarex HK417 GBB Series
CNC machined aluminum casing with spring-loaded stainless steel weight insert.
Increase kick and produce sharp recoil.
Reduce bolt carrier bounce for enhanced performance and shooting experience.
Product Details:
For KSC/KWA [HE-KK-005] : http://www.hephaestusairsoft.com/inde...
For VFC [HE-VFC-001] : http://www.hephaestusairsoft.com/inde...
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