Sig's alpha2 scope mounts are machined with an exactness that is both strong yet ductile that allows the rings to form around a riflescope, yet will not damage scope under proper installation.The steel rings are epoxy powder coated to prevent oxidation and resist gun oils, cleaning solutions, and outdoor exposure.It features steel weaver-style clamps.This model has 30mm rings and black finish.

Type: 1-Pc Base & Ring Combo
Model: Alpha2
Style: 1-Piece
Misc: 30mm Ring
Finish: Black
Material: 6061-T6 Aluminum
Pieces: 1
Rings Included: Yes