Primary Arms SLx Cantilever Mount, 30mm Scope Mount, Fits 30mm Main Tubes, 1.5 Height, Anodized Finish, Black PA-PLX-CM-30-1.5 As part of the PLx line, these 30mm mounts meet the exacting demands of professional use, offering impeccable craftsmanship and advanced features. PLx Scope Mounts are 100% US-made from 7075 aluminum and feature grade 12.9 steel hardware with a proprietary electroless nickel coating for unmatched durability in austere conditions. The innovative three-bolt design distributes recoil evenly, with over 6,500 lbs of clamping force. Combined with dual machined recoil lugs and 3 cross-bolt lugs, PLx mounts can withstand heavy impacts and sustained gunfire without shifting your zero-all while remaining lightweight and compact.