This is an original replacement Hop Up Chamber & Ring Parts # M&P9-21 , M&P9-22 , M&P9-28 , M&P9-29 (as referred to in the manual) for the Tokyo Marui SW P9 GBB Pistol series.
This is an original replacement Hop Up Chamber & Ring Parts # M&P9-21 , M&P9-22 , M&P9-28 , M&P9-29 (as referred to in the manual) for the Tokyo Marui SW P9 GBB Pistol series.