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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
- Buffer extension thread of the lower receiver is stronger and less broken
* Masada Single Point Sling Mount (AEG)
- It can be used on the MWS with the Spear arms adapter
- Aluminum CNC
- Width: 1
Hephaestus Enhanced Buffer Kit for Umarex ( KSC / KWA ) HK417 GBB Rifle Series Buttstock - Buffer extension thread ofCNC 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. Suitable for Umarex HK417 GBB series by KSC KWA. Reinforced replacement for original Buffer assembly.
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