Rock River Arms 30MM Base Highrise For Weaver/Picatinny Cantilever Black AR0131T

Very tight, quality machine grade hex head bolts. 1200 round through the firearm with a Bushnell 1-4 throw down BTR-1 and this thing is holds it rock solid.Update: Bought a 2nd one for a 4-10X Vortext for quick change out from bench rest to AR action shooting.

Solid!!! Very high quality and strength. Arrived exactly as described in perfect condition. Smooth transaction