B-Square Ar-15 Mounts Are Designed Specifically For Flat Top Receivers With Picatinny Rails. Ideal For Use On Ar-15 Rifles, This Burly Safariland Scope Mount Features Quad Ring Screws For The Ultimate In Security. The Skeletonized Design Is Lightweight, Without Sacrificing Any Strength. Designed To Place Fixed Iron Sights In The Lower Third Of An Aimpoint-Style Scope. Cantilevered Design Works Well With Magnifiers And Night Vision Devices. B-Square AR-15 mounts are designed specifically for flat top receivers with picatinny rails Ideal for use on AR-15 rifles, this burly Safariland scope mount features quad ring screws for the The skeletonized design is lightweight, without sacrificing any strength Designed to place fixed iron sights in the lower third of an Aimpoint-style scope Cantilevered design works well with magnifiers and night vision devices