The Leapers MNT-HG214QR UTG Ruger mini-14 tactical quad rail systems are made from aircraft grade aluminum for maximum strength. The UTG Ruger mini-14 tactical quad rail handguard is a two piece design for a quick and easy fit on your Ruger rifle. The quad rail system has 20 top slots, 12 left and right slots and 10 bottom slots. Innovative barrel locking and zero gap tight tolerance. Top/Bottom mount locking guarantees the most solid and secure fit. Great zero retention capability for all your Ruger rifle accessories installed on the rails. Intensively tested by field experts and demonstrated most satisfactory performance. Friendly installation, no gunsmithing required. Mil-Spec Quad Rail.