Shore 50 Hardness Rhop Bucking for Prometheus EG Barrel SP-20190502 then gradually unscrew until the

then gradually unscrew until the setup is silent

recommended for experienced gunsmiths or airsoft technicians

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We have reduced as much weight as possible while maintaining strength by using a one-piece body design

Shore 50 Hardness Rhop Bucking for Prometheus EG Barrel SP-20190502 then gradually unscrew until theAs you can see, this R hop has a perfect fit. It has the same wall thickness as the barrel and does not protrude beyond the barrel's flat surface. When touched, you cannot feel any height difference between the barrel and the R hop. Available in Shore 50 (blue), 60 (green), and 70 (yellow), made from high quality cold resistant silicone. Does NOT fit Prometheus barrels with Krytac window!