This bucking fits all KWA NS2 model gas blowback pistols. If your pistol is not feeding correctly or does not have correct hop-up function, due to over lubrication this part may fix your KWA pistol.
All KWA parts are top-quality replacement or repair parts, and are the only parts recommended for use with KWA Gas Blowback Pistols.
Compatible with Most KWA NS2 GBB Pistols and SMGS including
KWA 1911 MK, KWA 1911A1, ATP, ATP Auto, M9 PTP, M9 Tactical, M93R II, KZ75, 226, MP7, MP9, USP 45, USP Compact, KWA/KSC G17/18/19/23.
**Does Not include the Hopup Bearing**