30mm montageringen picatinny basis ruger mark is de SMAI montage interface is de SMAI montage interface Footprint Direct fit Sig P320 Optics Ready Leupold DPP Reticle 2 MOA dot & 32 MOA circle [green] Window size (H x W) 16 Accessoiremontagesysteem: SMAI (Scope Mount Accessory Interface) Hoe kiest u de juiste hoogte