G&G GPM92 Green Gas 55 Round Hicap Magazine

G&G GPM92 Green Gas 55 Round Hicap Magazine. Fits in the G&G airsoft GPM92 M9 style gas pistol only. Extended magazine that holds 55 rounds for extra firepower for when you need it. This is a rather large and long magazine. All metal and high quality construction made by G&G.