Warne™ Maxima 1-Piece Steel Weaver-Style Scope Base Thompson Center Encore, Omega, Triumph (Matte Black) - M987MWarne Maxima M987M 1 Piece Scope Base fit most Thompson Center rifles. These bases fit T C Encore, Omega, Triumph, ProHunter FX & Impact models. The Maxima Steel Scope Base is designed as a Weaver style base, which is one of the strongest and most versatile mounting systems available today. The low profile of the Warne Steel Base gives your firearm a sleek look, as well as a solid and durable platform for your scope. When used in conjunction with