Fits the Beretta M9 or 92 only (not Brig/Elite or M9A1)Mount S.T.R.I.K.E. platform securely to S.T.R.I.K.E. vest while the shoulder harness, thigh platform, and belt loop provide the option to wear the SERPA back at the base or when you don’t need S.T.R.I.K.E. gear