Will fit all Mini-14 and Mini-30 RANCH Rifle models; No gunsmithing required; MIL-STD-1913 dovetail rail offers a low profile mounting platform for red dot optics or conventional scope and ring combinations; Places the optic forward for long eye relief and quick target acquisition; Rail machined on the bottom for unimpeded cartridge ejection; Design keeps optic close to bore and low for a good cheek weld; Installation does not require removal of the rear iron sight; Mounting rail has been smoothed and rounded for shooters comfort and safety; Material: Precision machined from tough 6061-T6 billet aluminum; Finish-Matte Black:Type III hard coat anodized in a non-reflective matte black finish per Mil-Spec