High quality components and precise manufacturing make Advance Tech parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on.Features :Fits All Ruger Mini-14 Rifles with a Serial Number 181 and AboveAlso Fits: All Ruger Mini Thirty Rifles (Must Remove Small Amount of Material Around the Mag-Well)Side-Folds to the Left of the ReceiverMounting Hardware Included